The New Sudoku Players' Forum

by **1to9only** » Fri Apr 06, 2018 6:48 am

Some weeks ago, I came across the MOAGs and DOAGs in the Ruud's Specialty Puzzles thread, printed off MOAG#1 on 6 A4 pages and started solving... It's still unfinished, as I got distracted writing a gattai solver for the MOAGs (gattai-61) and DOAGs (gattai-85) I downloaded, the solver is generic enough to also solve sumos (gattai-13), samurais (gattai-5) and the classic sudoku (a gattai-1!!). MOAG#2 and DOAG#2 were solved using basic methods. Unsolved are MOAG#1 (54 still empty cells) and DOAG#1 (50 empty cells) are they require advanced solving methods. Then I got further distracted into writing a generic gattai maker... Here are the results...

The gattais are full rotational symmetric, each comes in several formats (there's one suitable for pasting into a spreadsheet, replace the Xs and 0s with spaces). Enjoy!

SAMURAI (gattai-5-180405)

Code: Select all: 59.6..... 1...6..87 2.35..... ..8.7...6 ....9..7. .7..45.1. ..13...8. .....4.21 356....2. 6.7...9.. .....2..3 .326..... .1..47...9........... ..8..6....8.....894.. 6...3....5.....3..... ......8.2 .6..5..4. 4.3...... .....6.....5....5...8 ..534.....9....8..6.. ...........7...67..4. .....473. 9..7..... ..7...4.9 .6....195 42.5..... .3...27.. .5.47..6. .4..3.... 8...2.1.. .....72.3 96..8...7 .....1.54

369 cells, 109 givens [30%], 260 empty cells

Sudoku lines

Code: Select all: 59.6.....2.35.........9..7...13...8.356....2......2..3.1..47.....8..6...6...3.... 1...6..87..8.7...6.7..45.1......4.216.7...9...326..................894.....3..... ...9.........8.......5...........8.2.6..5..4.4.3...........5.......9.........7... .....6.....534..................473...7...4.942.5......5.47..6.8...2.1..96..8...7 ....5...8...8..6.....67..4.9..7......6....195.3...27...4..3.........72.3.....1.54

For Spreadsheet

Hidden Text: Show

Solution

Hidden Text: Show

SUMO (gattai-13-180405)

Code: Select all: 5...98... ..7.1..2. 1.9..87.2 ....71..8 1.4...8.. .24...... 8.....7.. ..527.... 38.426... 3.7..48.. 71...63.. .7....... ..8...54. ....57... ...7...38 ..6.1.... .....3.8. 8.5..4.97 73...9.....7.....5..........136.. .896.......8...3.......4....7.... 6.2..5................82.......7. .98...... ..375.... ..61...83 1459..... ...87.... .......12 .........29......5...........2.8. 7....5....8....1......1......7... .6.3......4......9....6.......257 ...9264.. 3.1.6..7. .1....4.. 9.3.7.... ...5.7... ....7.9.6 ..6....9. .7..8.2.4 ..6138... 135.......3....6......9......1.9. ...5......7......3....1....5....1 .8.7...........4......73......... 18....... ....49... .....2859 38...56.. ....531.. ......13. .8.......69................6..1.9 ....4....3.......5...7.......324. ..486..........1.....6.....7...36 59.4..1.3 .5.2..... ....7.9.. 43...1... ...49.... .37...8.. .......4. ..36...84 ..18..7.4 ...672.15 ....137.. ..9.....5 ......92. ..5...2.1 1..46.... 2.13..6.7 .9..4.6.. ...91...2

909 cells, 252 givens [27%], 657 empty cells

Sudoku lines

Code: Select all: 5...98.......71..88.....7..3.7..48....8...54...6.1....73...9....896.....6.2..5... ..7.1..2.1.4...8....527....71...63......57........3.8......5......3.............. 1.9..87.2.24......38.426....7..........7...388.5..4.97....136......7...........7. .....7........8.............98........61...83...87.......29........8........4.... ..............4.......82.....375....1459............12.............1........6.... .........7....5....6.3........9264..9.3.7......6....9.135.........5......8.7..... .....5......1..........9...3.1.6..7....5.7....7..8.2.4...6..........3......4..... .....2.8......7.........257.1....4......7.9.6..6138........1.9....5....1......... ....3........7.............18............2859....531.....69.......3.............. ....9........1........73.......49...38...56........13.............7........6..... .8...........4......486....59.4..1.343...1..........4....672.15......92.2.13..6.7 ..............5......1......5.2........49......36...84....137....5...2.1.9..4.6.. ...6..1.9.....324....7...36....7.9...37...8....18..7.4..9.....51..46.......91...2

For Spreadsheet

Hidden Text: Show

Code: Select all: 5 0 0 0 9 8 0 0 0 X X X 0 0 7 0 1 0 0 2 0 X X X 1 0 9 0 0 8 7 0 2 0 0 0 0 7 1 0 0 8 X X X 1 0 4 0 0 0 8 0 0 X X X 0 2 4 0 0 0 0 0 0 8 0 0 0 0 0 7 0 0 X X X 0 0 5 2 7 0 0 0 0 X X X 3 8 0 4 2 6 0 0 0 3 0 7 0 0 4 8 0 0 X X X 7 1 0 0 0 6 3 0 0 X X X 0 7 0 0 0 0 0 0 0 0 0 8 0 0 0 5 4 0 X X X 0 0 0 0 5 7 0 0 0 X X X 0 0 0 7 0 0 0 3 8 0 0 6 0 1 0 0 0 0 X X X 0 0 0 0 0 3 0 8 0 X X X 8 0 5 0 0 4 0 9 7 7 3 0 0 0 9 0 0 0 0 0 7 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 1 3 6 0 0 0 8 9 6 0 0 0 0 0 0 0 8 0 0 0 3 0 0 0 0 0 0 0 4 0 0 0 0 7 0 0 0 0 6 0 2 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 2 0 0 0 0 0 0 0 7 0 X X X X X X 0 9 8 0 0 0 0 0 0 X X X 0 0 3 7 5 0 0 0 0 X X X X X X X X X X X X 0 0 6 1 0 0 0 8 3 X X X 1 4 5 9 0 0 0 0 0 X X X X X X X X X X X X 0 0 0 8 7 0 0 0 0 X X X 0 0 0 0 0 0 0 1 2 X X X X X X 0 0 0 0 0 0 0 0 0 2 9 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 2 0 8 0 7 0 0 0 0 5 0 0 0 0 8 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 7 0 0 0 0 6 0 3 0 0 0 0 0 0 4 0 0 0 0 0 0 9 0 0 0 0 6 0 0 0 0 0 0 0 2 5 7 0 0 0 9 2 6 4 0 0 X X X 3 0 1 0 6 0 0 7 0 X X X 0 1 0 0 0 0 4 0 0 9 0 3 0 7 0 0 0 0 X X X 0 0 0 5 0 7 0 0 0 X X X 0 0 0 0 7 0 9 0 6 0 0 6 0 0 0 0 9 0 X X X 0 7 0 0 8 0 2 0 4 X X X 0 0 6 1 3 8 0 0 0 1 3 5 0 0 0 0 0 0 0 3 0 0 0 0 6 0 0 0 0 0 0 9 0 0 0 0 0 0 1 0 9 0 0 0 0 5 0 0 0 0 0 0 7 0 0 0 0 0 0 3 0 0 0 0 1 0 0 0 0 5 0 0 0 0 1 0 8 0 7 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 7 3 0 0 0 0 0 0 0 0 0 X X X X X X 1 8 0 0 0 0 0 0 0 X X X 0 0 0 0 4 9 0 0 0 X X X X X X X X X X X X 0 0 0 0 0 2 8 5 9 X X X 3 8 0 0 0 5 6 0 0 X X X X X X X X X X X X 0 0 0 0 5 3 1 0 0 X X X 0 0 0 0 0 0 1 3 0 X X X X X X 0 8 0 0 0 0 0 0 0 6 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 1 0 9 0 0 0 0 4 0 0 0 0 3 0 0 0 0 0 0 0 5 0 0 0 7 0 0 0 0 0 0 0 3 2 4 0 0 0 4 8 6 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 6 0 0 0 0 0 7 0 0 0 3 6 5 9 0 4 0 0 1 0 3 X X X 0 5 0 2 0 0 0 0 0 X X X 0 0 0 0 7 0 9 0 0 4 3 0 0 0 1 0 0 0 X X X 0 0 0 4 9 0 0 0 0 X X X 0 3 7 0 0 0 8 0 0 0 0 0 0 0 0 0 4 0 X X X 0 0 3 6 0 0 0 8 4 X X X 0 0 1 8 0 0 7 0 4 0 0 0 6 7 2 0 1 5 X X X 0 0 0 0 1 3 7 0 0 X X X 0 0 9 0 0 0 0 0 5 0 0 0 0 0 0 9 2 0 X X X 0 0 5 0 0 0 2 0 1 X X X 1 0 0 4 6 0 0 0 0 2 0 1 3 0 0 6 0 7 X X X 0 9 0 0 4 0 6 0 0 X X X 0 0 0 9 1 0 0 0 2

Solution

Hidden Text: Show

Code: Select all: 573298164964571238821346795317954826298763541456812379735489612189627453642135987 987614523124539876635278149718426395493857612562193487849765231276341958351982764 169538742524197386387426159473289561692751438815364297748913625236875914951642873 612537849453918276987624351598463712726159483134872695845296137361785924279341568 231695748958174236764382951823751469145926387679843512496238175587419623312567894 312697845798245361564318279851926437923174586476853192135469728647582913289731654 137825496924136587568749312351264879842597631679381254495678123286913745713452968 175492683623857149894613257712965438538274916946138572467321895389546721251789364 728136495913574286654289713185967324367412859249853167432691578876325941591748632 123598467745216389968473251651349728387125694294867135416982573832754916579631842 685719432913245876724863591592487163436921758178536249849672315367158924251394687 578329416941765832632184579459238167816497325723651984264513798385976241197842653 573642189916583247842791536658174923437259861291836754769328415125467398384915672 573298164 987614523 169538742 964571238 124539876 524197386 821346795 635278149 387426159 317954826 718426395 473289561 298763541 493857612 692751438 456812379 562193487 815364297 735489612537849765231695748913625 189627453918276341958174236875914 642135987624351982764382951642873 598463712 823751469 726159483 145926387 134872695 679843512 312697845296137825496238175492683 798245361785924136587419623857149 564318279341568749312567894613257 851926437 351264879 712965438 923174586 842597631 538274916 476853192 679381254 946138572 135469728136495678123598467321895 647582913574286913745216389546721 289731654289713452968473251789364 185967324 651349728 367412859 387125694 249853167 294867135 685719432691578329416982573642189 913245876325941765832754916583247 724863591748632184579631842791536 592487163 459238167 658174923 436921758 816497325 437259861 178536249 723651984 291836754 849672315 264513798 769328415 367158924 385976241 125467398 251394687 197842653 384915672 5 7 3 2 9 8 1 6 4 X X X 9 8 7 6 1 4 5 2 3 X X X 1 6 9 5 3 8 7 4 2 9 6 4 5 7 1 2 3 8 X X X 1 2 4 5 3 9 8 7 6 X X X 5 2 4 1 9 7 3 8 6 8 2 1 3 4 6 7 9 5 X X X 6 3 5 2 7 8 1 4 9 X X X 3 8 7 4 2 6 1 5 9 3 1 7 9 5 4 8 2 6 X X X 7 1 8 4 2 6 3 9 5 X X X 4 7 3 2 8 9 5 6 1 2 9 8 7 6 3 5 4 1 X X X 4 9 3 8 5 7 6 1 2 X X X 6 9 2 7 5 1 4 3 8 4 5 6 8 1 2 3 7 9 X X X 5 6 2 1 9 3 4 8 7 X X X 8 1 5 3 6 4 2 9 7 7 3 5 4 8 9 6 1 2 5 3 7 8 4 9 7 6 5 2 3 1 6 9 5 7 4 8 9 1 3 6 2 5 1 8 9 6 2 7 4 5 3 9 1 8 2 7 6 3 4 1 9 5 8 1 7 4 2 3 6 8 7 5 9 1 4 6 4 2 1 3 5 9 8 7 6 2 4 3 5 1 9 8 2 7 6 4 3 8 2 9 5 1 6 4 2 8 7 3 X X X X X X 5 9 8 4 6 3 7 1 2 X X X 8 2 3 7 5 1 4 6 9 X X X X X X X X X X X X 7 2 6 1 5 9 4 8 3 X X X 1 4 5 9 2 6 3 8 7 X X X X X X X X X X X X 1 3 4 8 7 2 6 9 5 X X X 6 7 9 8 4 3 5 1 2 X X X X X X 3 1 2 6 9 7 8 4 5 2 9 6 1 3 7 8 2 5 4 9 6 2 3 8 1 7 5 4 9 2 6 8 3 7 9 8 2 4 5 3 6 1 7 8 5 9 2 4 1 3 6 5 8 7 4 1 9 6 2 3 8 5 7 1 4 9 5 6 4 3 1 8 2 7 9 3 4 1 5 6 8 7 4 9 3 1 2 5 6 7 8 9 4 6 1 3 2 5 7 8 5 1 9 2 6 4 3 7 X X X 3 5 1 2 6 4 8 7 9 X X X 7 1 2 9 6 5 4 3 8 9 2 3 1 7 4 5 8 6 X X X 8 4 2 5 9 7 6 3 1 X X X 5 3 8 2 7 4 9 1 6 4 7 6 8 5 3 1 9 2 X X X 6 7 9 3 8 1 2 5 4 X X X 9 4 6 1 3 8 5 7 2 1 3 5 4 6 9 7 2 8 1 3 6 4 9 5 6 7 8 1 2 3 5 9 8 4 6 7 3 2 1 8 9 5 6 4 7 5 8 2 9 1 3 5 7 4 2 8 6 9 1 3 7 4 5 2 1 6 3 8 9 5 4 6 7 2 1 2 8 9 7 3 1 6 5 4 2 8 9 7 1 3 4 5 2 9 6 8 4 7 3 2 5 1 7 8 9 3 6 4 X X X X X X 1 8 5 9 6 7 3 2 4 X X X 6 5 1 3 4 9 7 2 8 X X X X X X X X X X X X 3 6 7 4 1 2 8 5 9 X X X 3 8 7 1 2 5 6 9 4 X X X X X X X X X X X X 2 4 9 8 5 3 1 6 7 X X X 2 9 4 8 6 7 1 3 5 X X X X X X 6 8 5 7 1 9 4 3 2 6 9 1 5 7 8 3 2 9 4 1 6 9 8 2 5 7 3 6 4 2 1 8 9 9 1 3 2 4 5 8 7 6 3 2 5 9 4 1 7 6 5 8 3 2 7 5 4 9 1 6 5 8 3 2 4 7 7 2 4 8 6 3 5 9 1 7 4 8 6 3 2 1 8 4 5 7 9 6 3 1 8 4 2 7 9 1 5 3 6 5 9 2 4 8 7 1 6 3 X X X 4 5 9 2 3 8 1 6 7 X X X 6 5 8 1 7 4 9 2 3 4 3 6 9 2 1 7 5 8 X X X 8 1 6 4 9 7 3 2 5 X X X 4 3 7 2 5 9 8 6 1 1 7 8 5 3 6 2 4 9 X X X 7 2 3 6 5 1 9 8 4 X X X 2 9 1 8 3 6 7 5 4 8 4 9 6 7 2 3 1 5 X X X 2 6 4 5 1 3 7 9 8 X X X 7 6 9 3 2 8 4 1 5 3 6 7 1 5 8 9 2 4 X X X 3 8 5 9 7 6 2 4 1 X X X 1 2 5 4 6 7 3 9 8 2 5 1 3 9 4 6 8 7 X X X 1 9 7 8 4 2 6 5 3 X X X 3 8 4 9 1 5 6 7 2

MOAG (gattai-61-180405)

Code: Select all: .4...23.. 6.829..4. ....5.98. 9..2.6..4 .3....... 68....7.. ...3.4.76 .4.3.1... 2.741.... 2..9..8.. 5.1.3.8.. ..5...8.3 71....... ......591 .6.3..7.. ..5.7.... 6..4...31 7.3.2.... ...29.6.. ..6.3.... ..19.6.2. ....9..1. .6.3.1... .1.4.2.6. ..2..1.4. ......6.. .......7. .....13.6 .5..78..9 ..9..1... ...8...39 .2376..15 6...4.5.. ..45....9 ......4.. ....8..92 .37.2...........1....61.....6......5.....7...7.....9.....26......9..1 4..5.....7..................7.....8......9...1.....8.......8...24..8. 5.8............9.....3.......4...9.....63...........2....3.....1...5. .9..54317 ..3..6.71 .9....5.. ..9.5.... .......2. 7....3... .1...4... 58.1.6... 52.81.... ..58.1... 4.2.6.8.. 6..57.... ....9..2. ..43.9.5. 8...73... ..1.9.....9...........9.....65.......................1...1.7........7 ..7............54......7....41...4.9.....1.....1...........2...7...9. .5...7.....8...8.............7.....8.....5.................5...5.2..4 ...84.... 7...39.5. .7...9... .5...2..4 ..9.4.85. 4..3...19 .4..2...5 ...4.71.. ...7...9. 8..6.7... ...6.8.2. ..71.9..8 ..25..46. ....1...9 1.4.2.... 1.2....97 ....59... .......3. .2.............7.....9......9......2...5......7.....3....5......1.8.. 8..43......8.........6...........4.....1......2......2....2....6..9.2 .19..................2...........6...........6.....7.......3...4..3.. .....6.3. ....26.5. .97.1.3.. ......569 ...4..6.9 ...41.... 82...7... ......7.4 .....4... ..71....4 46..83... ..6.....8 .....4.96 .1..96... .4..92... 9...53...8.5...2.5..........8......7....1..........6...........6...7. ...2......2......7.....3....9.....29...6.......3.....1.....9......9.. .2..8.....4................1.5...............9.....9.......7.....7.5. 2...6.38. .4273.... ...8.7... ...1.84.. ....8.... .....214. ..98....4 ......... 8......67 ..8....39 ..93...45 .245...96 86...4..9 ....2.37. .2.5..83. 1....76.. .....9267 9....6... ..1..2...........6....42....2..........9..................2....8..7.9 ...........2...5.......6.........36....38......5....9.....91....65..1 37.......9......72...73......3..........5......6..................... 2...7..83 3....548. ....4..7. ......69. .8..7.3.. .3...4... ...1...9. .2.7.1.4. .9...8... ...8...7. ..1.5..4. .41...... .3..8.... .853....4 74..6...5 .....................6......5..........4......49...79......2.......87 3..86....36.....5....8......81....23.........8.......6...9........... 9.2..7....9..................3..........8....62....3...........6..4.. ...7....9 5742..... ..28....1 .83..4.2. .92.4.... 5..7...62 79...265. 23...69.. 96....4.. 17......4 ......... 6....17.. .536..... ....4.... ..86.5... ...2.7... ....5167. .17.3...8 .6.4.....6.......5.....2...............6.9................3.....6..7. ..4......4.....9.....9.......7...85.....4....7.....5......5......5... .1...6...........3..........4....4......7..........4.9...8.7...82...5 ...91..6. ...78..2. 76.2..... 1.....6.. ...72..51 7....45.. ...3..... 8.1...... ...6...32 ....49... 9.4..5... 985...... ..5.6.47. .5.82.... .8.5..... ..6..8...8.......9.....1...........4...........2..................16. 2.4..5....3....7......4......1.....7...........8.........1......17..8 ..8.4......6....1.....2......9...3......1......4.....1.............5. .5....... ...14.... 64....7.2 ....6.3.7 7...2.... .57..84.. 3..6.17.. .2.3.6... ...6.7..3 .6...3... ..28.3... 3...9..2. 76...2..3 .86.7.4.. 3..5...4. ...8...4. .3.91...8 ....46... 4..7.9...4.................4.....4.....3.............8...8.....8...9. .1...3...5...........8.....1.....2.5...68....6......76............6.. 9........2.3...6.......................29.....5...........2.....7.3.. ...36...1 .1.6.39.. .4..6.... ....26..4 ..6.8.9.1 ...8.13.. ....91.64 ...7.1.34 ...9...1. ...5....4 .6....... ....5.7.. ..6....9. 87.4..9.. 94523..6. .5...1.....4....7...........92.....2...3.......3.....1............1.7 .3..96...7.......5.....5...4......5.....7..................2.....5..9 1..2......52.....6.....8...1.....1......2.....68....6...........6.35. 62..7.... ..6...... 7....19.. ..9.5...8 27..9634. 87...4... ...8..4.. 2..64..1. 4.16..... .2....... ..3...... .5.8..2.. .9.3.2.6. ...9.1.2. .3..2.... .5.1.84.. ....4.1.. ..1.39... ....4.2.3 48...7..2 ....6.5.. ..8..7.3. 864...... .......42 2.3...9.. ..5.3.6.4 ..4..3..9 ....458.9 ...6.7.8. 49.1.3... ..1....76 .......7. 2..5.4..1 .76.8.... .2..385.6 ..57...1.

4041 cells, 1000 givens [24%], 3041 empty cells

Sudoku lines

Code: Select all: .4...23.....3.4.7671..........29.6....2..1.4....8...39.37.2....4..5.....5.8...... 6.829..4..4.3.1.........591..6.3..........6...2376..15....1................9..... ....5.98.2.741.....6.3..7....19.6.2........7.6...4.5......6........7.........4... 9..2.6..42..9..8....5.7........9..1......13.6..45....9.....7........9......63.... .3.......5.1.3.8..6..4...31.6.3.1....5..78..9......4.....9........8.........2.... 68....7....5...8.37.3.2.....1.4.2.6...9..1.......8..92.....9..1...24..8....1...5. ............7...............9..543177....3...4.2.6.8......9..................8... ...61................3.......3..6.71.1...4...6..57........9.........7............ .....5.......8.......9......9....5..58.1.6.......9..2.............4.9........8... ...7........1................9.5....52.81......43.9.5...............1............ ...26.........8......3............2...58.1...8...73......1.7........2........5... ..1.9......7.......5...7......84.....4..2...5..25..46..2.......8..43.....19...... ............54.......8.....7...39.5....4.71......1...9...7....................... ....65.......41........7....7...9......7...9.1.4.2........9...................... ..............1........5....5...2..48..6.7...1.2....97...5........1.............. .....1.......................9.4.85....6.8.2.....59.......3.........2......7..... ........7...7...9....5.2..44..3...19..71.9..8.......3.....1.8.....6..9.2...4..3.. ..............8.................6.3....41....46..83......8.5.......2........4.... ...9........6........2.........26.5.82...7.....6.....8..............3............ .....2......4........6......97.1.3........7.4.....4.96.....7.......29............ ....7........2.......6...........569.....4....1..96.................3......9..... ...5.........2.........3......4..6.9..71....4.4..92.................9........7... 9...53......2......2..8....2...6.38...98....486...4..9..1..2............37....... ...2.5........7.............4273.................2.37......6......5.........72... ....8........9.......1.5......8.7...8......67.2.5..83.....2..................3... ....1.......6.................1.84....8....391....76.....9........38........5.... ...6..........1......9.........8......93...45.....9267.............9............. ...6...7.......9.......7.5......214..245...969....6......8..7.9....65..1......... ..............2......9.....2...7..83.3...4.....1.5..4.............36........9.... ....42........6......73....3....548....1...9..41.........6........8.............. ............36.................4..7..2.7.1.4..3..8.................23............ ..............5........6.........69..9...8....853....4....49......8........62.... ....2........91.............8..7.3.....8...7.74..6...5.....2......9.............. .........3..86....9.2..7......7....979...265..536......6.4.......4.......1...6... .............5.............5742.....23...69......4.........5......9..........3... ....5........81........3.....28....196....4....86.5.................7.......4.... ...4..................8.....83..4.2.17......4...2.7......6.9.......4........7.... ...79.........6......3......92.4.................5167.............5........4.9... .......87............6..4..5..7...626....17...17.3...8....6..7......5......82...5 ...6........4.................91..6.7....45..9.4..5......8.........3.........6... .....2......9.................78..2....3.....985...........1.......4........2.... ............85.......4.....76.2.....8.1........5.6.47......4........7......3..... ............7..............1.....6.....6...32.5.82.........2........8........4... ....3........5.......8.7......72..51....49....8.5.................1.............. ..6..8...2.4..5.....8.4.....5.......3..6.17..76...2..34..7.9....1...3...9........ .....9......7.........1.......14.....2.3.6....86.7.4.......................6..... ..............1........9...64....7.2...6.7..33..5...4....4........1.............. 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For Spreadsheet

Hidden Text: Show

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Solution

Hidden Text: Show

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X 2 9 7 5 8 4 3 6 1 X X X 4 7 6 9 8 3 1 5 2 X X X 7 2 1 4 3 8 5 9 6 X X X 6 8 5 7 4 2 9 1 3

Pdf for printing
ATTACHMENTS
SAMURAI: gattai-05-180405.pdf (18,218 bytes)
SUMO: gattai-13-180405.pdf (20,358 bytes)
MOAG: gattai-61-180405.pdf (39,649 bytes)

by **m_b_metcalf** » Fri Apr 06, 2018 3:05 pm

Welcome, and it's very brave of you to post such puzzles so long after interest in these variants has faded.

My solver finds your nice symmetric samurai quite easy (and identifies some redundant clues, including the central value 5).

Regards,

Mike Metcalf

by **1to9only** » Fri Apr 06, 2018 4:57 pm

Agreed. As I only just discovered the MOAGs and DOAGs (late to the party!), I've found it an interesting ~~waste of time~~ diversion to write a gattai solver. I've at least 3 friends who are currently enjoying MOAG#1 on paper. We'll be busy for a few months...

by **enxio27** » Fri Apr 06, 2018 8:40 pm

(wish we had a bouncy smiley here) I may be the only one left who enjoys these puzzles, but I for one am ecstatic that you posted these!

by **enxio27** » Mon Apr 09, 2018 1:07 am

Finished the Samurai (gattai-5). Very nice puzzle! Difficulty just right (for me, anyway). I'm looking forward to the other two.

I'm also interested in knowing more about your gattai generator. What other types of puzzles can it generate? In particular, how many of the types below can it generate (examples provided on request)? Can it generate user-selected configurations of gattai?

- Butterfly (4 grids)
- Clueless Explosion (10)
- Clueless Special (10)
- Flower (4)
- Harakiri (8)
- Kazaguruma (5; Windmill)
- Kunoichi (5)
- Large Gattai (miscellaneous shapes and sizes)
- Ninja (9)
- Samurai (5)
- Sensei-1 (2, 1-nonet overlap)
- Sensei-2 (2, 2-nonet overlap; Double-Doku, Two-Doku)
- Sensei-4 (2, 4-nonet overlap)
- Sensei-misc (2, miscellaneous overlap; Conjoined)
- Shaolin (25)
- Shogun (11)
- Sohei (4; Ring)
- Sumo (13; Super Samurai)
- Taiken (21; Circle)
- TripleDoku-1 (3, 1-nonet overlap)
- TripleDoku-2 (3, 2-nonet overlap)
- TripleDoku-4 (3, 4-nonet overlap)
- TripleDoku-misc (3, miscellaneous overlap)
- Wing-3 (3, V-shape)
- Wing-5 (5, V-shape)

by **1to9only** » Mon Apr 09, 2018 6:23 pm

And here's the gattais-25 (shaolin) and gattai-45 I also generated... I've no pdf's for these 2.

SHAOLIN (gattai-25-180405)

Code: Select all: .652.941. ..5.....1 ..4.....3 ..1...... .......5. ......47. 3..41..6. .....12.3 .91.....2 ..745.62. .2.5..89. 7..3.46.1 .54.8...7 4..781... .....49.. ....4...2 ...7.6... 9.1..3... ..3.2..1. .8.7.5... ..7.5.34. .58..2... 7..89...5 ..5.8...7 2....3.....4...9.5.....9....4.....9....6....9 ....2......8...87.....7....3.7....3....5...26 ..8.......9....3.......5.................98.. ...472... 9.1...7.. .6.972... 52.6..84. ..79.1.5. 89...34.. ...9..... .4...78.. .....4.23 1....9..........3....8............4.....41... .73.5....56..................6....6....8..... ..93......1.....2......4...............26.4.5 ...2...8. .7.25.8.. ...7.5... 976..85.. .8..976.. .....7..5 .592.18.3 .2...78.. .12..3.9. ...18...7 .2..8.... ..8695... 3...7...........4............7.....1......19. ..1.......8.....72...............5........75. .4...6...4.6...........1...51.....87........4 3.2.54..6 ..65.8... ..3.7.... .9....... ....7.... .......7. ....1.3.. ...9.61.. 1..36.2.5 3........94.....64...8...........7.5...9...5. .65........8...............64.....2.......3.. .14......1.....9............3...........4...8 ...2695.. ....2..3. 1...83... .6.7..84. ..14...9. 3.21.875. 8..9..... ..936..2. ..21..746 ...6.5... ..2.51.8. .7...1... 8.6.92...............8......2.....2......95.. .....7....3....8..................94....3.97. ...64.....8............7....6..........5....4 83.6..... ..89...6. .....1... ..68...75 .4.5.67.. .85..9.16 ...319.8. ..9...5.2 ...862... ..18.................1.......6....8.......4.. 73...5....7....1.6....5.....35...5......6.... 6....1....4.....5....7.....7.1...9.....7....3 4...7.8.. 1...43..9 ...9..12. .58.1.2.. ...6.4.9. .4..8.7.. ...1..3.8 ...6.5... 2...5.... ..95..... ...572..6 6...9.31. 5.37.9..4 .83..9.6. .82.596.. 8.....63. 8.74..... .7..35..8 .51...... .4....... ......6.. 4.....1.. 4.....2.. .971.684.

1701 cells, 465 givens [27%], 1236 empty cells

Sudoku lines

Code: Select all: .652.941........5..91.....2.54.8...7...7.6.....7.5.34.2....3.......2......8...... ..5.....1......47...745.62.4..781...9.1..3....58..2......9.5......87.......3..... ..4.....33..41..6..2.5..89......49....3.2..1.7..89...5....4.......3.7............ ..1...........12.37..3.46.1....4...2.8.7.5.....5.8...7...6....9...5...26.....98.. .....4........8.......9.......472...52.6..84....9.................56........1.... .....9.......7.........5...9.1...7....79.1.5..4...78.....8...................4... ....9........3..............6.972...89...34.......4.23....4........6............. 1....9....73.5......93........2...8..8..976...12..3.9.3...7......1.......4...6... ....3.................2.....7.25.8.......7..5...18...7....4........72............ ..............6...............7.5....592.18.3.2..8.........7...............51.... ....41......8........26.4.5976..85...2...78....8695.........19.......75.........4 .............8.......4.6...3.2.54..6.9...........1.3.....94.........8......1..... .......................1.....65.8.......7.......9.61.....8....................... .....1......5.........87.....3.7...........7.1..36.2.5...7.5.......2............. 3.........65.......14.........2695....14...9...21..7468.6.92........7......64.... ....64...............9.........2..3.3.21.875....6.5...............8.............. ............64........3....1...83...8..9.......2.51.8.....2.................6.... ...9...5.......3......4...8.6.7..84...936..2..7...1........95......3.97....5....4 .............3........8....83.6.......68...75...319.8..............7........4.... ...8...................7.....89...6..4.5.67....9...5.2...1.........5.......7..... ....2........94.................1....85..9.16...862.......8.......5........9..... ..18.....73...5...6....1...4...7.8.....6.4.9.2...5....5.37.9..48.74...........6.. ............1.6.......5....1...43..9.4..8.7....95......83..9.6..7..35..84.....1.. .....6.......35......7.1......9..12....1..3.8...572..6.82.596...51......4.....2.. ......4......6.......7....3.58.1.2.....6.5...6...9.31.8.....63..4........971.684.

For Spreadsheet

Hidden Text: Show

Code: Select all: 0 6 5 2 0 9 4 1 0 X X X 0 0 5 0 0 0 0 0 1 X X X 0 0 4 0 0 0 0 0 3 X X X 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 X X X 0 0 0 0 0 0 4 7 0 X X X 3 0 0 4 1 0 0 6 0 X X X 0 0 0 0 0 1 2 0 3 0 9 1 0 0 0 0 0 2 X X X 0 0 7 4 5 0 6 2 0 X X X 0 2 0 5 0 0 8 9 0 X X X 7 0 0 3 0 4 6 0 1 0 5 4 0 8 0 0 0 7 X X X 4 0 0 7 8 1 0 0 0 X X X 0 0 0 0 0 4 9 0 0 X X X 0 0 0 0 4 0 0 0 2 0 0 0 7 0 6 0 0 0 X X X 9 0 1 0 0 3 0 0 0 X X X 0 0 3 0 2 0 0 1 0 X X X 0 8 0 7 0 5 0 0 0 0 0 7 0 5 0 3 4 0 X X X 0 5 8 0 0 2 0 0 0 X X X 7 0 0 8 9 0 0 0 5 X X X 0 0 5 0 8 0 0 0 7 2 0 0 0 0 3 0 0 0 0 0 4 0 0 0 9 0 5 0 0 0 0 0 9 0 0 0 0 4 0 0 0 0 0 9 0 0 0 0 6 0 0 0 0 9 0 0 0 0 2 0 0 0 0 0 0 8 0 0 0 8 7 0 0 0 0 0 7 0 0 0 0 3 0 7 0 0 0 0 3 0 0 0 0 5 0 0 0 2 6 0 0 8 0 0 0 0 0 0 0 9 0 0 0 0 3 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 8 0 0 X X X X X X 0 0 0 4 7 2 0 0 0 X X X 9 0 1 0 0 0 7 0 0 X X X 0 6 0 9 7 2 0 0 0 X X X X X X X X X X X X 5 2 0 6 0 0 8 4 0 X X X 0 0 7 9 0 1 0 5 0 X X X 8 9 0 0 0 3 4 0 0 X X X X X X X X X X X X 0 0 0 9 0 0 0 0 0 X X X 0 4 0 0 0 7 8 0 0 X X X 0 0 0 0 0 4 0 2 3 X X X X X X 1 0 0 0 0 9 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 4 1 0 0 0 0 7 3 0 5 0 0 0 0 5 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 6 0 0 0 0 8 0 0 0 0 0 0 0 9 3 0 0 0 0 0 0 1 0 0 0 0 0 2 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 0 4 0 5 0 0 0 2 0 0 0 8 0 X X X 0 7 0 2 5 0 8 0 0 X X X 0 0 0 7 0 5 0 0 0 X X X 9 7 6 0 0 8 5 0 0 0 8 0 0 9 7 6 0 0 X X X 0 0 0 0 0 7 0 0 5 X X X 0 5 9 2 0 1 8 0 3 X X X 0 2 0 0 0 7 8 0 0 0 1 2 0 0 3 0 9 0 X X X 0 0 0 1 8 0 0 0 7 X X X 0 2 0 0 8 0 0 0 0 X X X 0 0 8 6 9 5 0 0 0 3 0 0 0 7 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 1 0 0 0 0 0 0 1 9 0 0 0 1 0 0 0 0 0 0 0 8 0 0 0 0 0 7 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 7 5 0 0 4 0 0 0 6 0 0 0 4 0 6 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 5 1 0 0 0 0 0 8 7 0 0 0 0 0 0 0 0 4 X X X X X X 3 0 2 0 5 4 0 0 6 X X X 0 0 6 5 0 8 0 0 0 X X X 0 0 3 0 7 0 0 0 0 X X X X X X X X X X X X 0 9 0 0 0 0 0 0 0 X X X 0 0 0 0 7 0 0 0 0 X X X 0 0 0 0 0 0 0 7 0 X X X X X X X X X X X X 0 0 0 0 1 0 3 0 0 X X X 0 0 0 9 0 6 1 0 0 X X X 1 0 0 3 6 0 2 0 5 X X X X X X 3 0 0 0 0 0 0 0 0 9 4 0 0 0 0 0 6 4 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 7 0 5 0 0 0 9 0 0 0 5 0 0 6 5 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 4 0 0 0 0 0 2 0 0 0 0 0 0 0 3 0 0 0 1 4 0 0 0 0 0 0 1 0 0 0 0 0 9 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 8 0 0 0 2 6 9 5 0 0 X X X 0 0 0 0 2 0 0 3 0 X X X 1 0 0 0 8 3 0 0 0 X X X 0 6 0 7 0 0 8 4 0 0 0 1 4 0 0 0 9 0 X X X 3 0 2 1 0 8 7 5 0 X X X 8 0 0 9 0 0 0 0 0 X X X 0 0 9 3 6 0 0 2 0 0 0 2 1 0 0 7 4 6 X X X 0 0 0 6 0 5 0 0 0 X X X 0 0 2 0 5 1 0 8 0 X X X 0 7 0 0 0 1 0 0 0 8 0 6 0 9 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 2 0 0 0 0 0 2 0 0 0 0 0 0 9 5 0 0 0 0 0 0 0 7 0 0 0 0 3 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 4 0 0 0 0 3 0 9 7 0 0 0 0 6 4 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 7 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 4 X X X X X X 8 3 0 6 0 0 0 0 0 X X X 0 0 8 9 0 0 0 6 0 X X X 0 0 0 0 0 1 0 0 0 X X X X X X X X X X X X 0 0 6 8 0 0 0 7 5 X X X 0 4 0 5 0 6 7 0 0 X X X 0 8 5 0 0 9 0 1 6 X X X X X X X X X X X X 0 0 0 3 1 9 0 8 0 X X X 0 0 9 0 0 0 5 0 2 X X X 0 0 0 8 6 2 0 0 0 X X X X X X 0 0 1 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 6 0 0 0 0 8 0 0 0 0 0 0 0 4 0 0 7 3 0 0 0 5 0 0 0 0 7 0 0 0 0 1 0 6 0 0 0 0 5 0 0 0 0 0 3 5 0 0 0 5 0 0 0 0 0 0 6 0 0 0 0 6 0 0 0 0 1 0 0 0 0 4 0 0 0 0 0 5 0 0 0 0 7 0 0 0 0 0 7 0 1 0 0 0 9 0 0 0 0 0 7 0 0 0 0 3 4 0 0 0 7 0 8 0 0 X X X 1 0 0 0 4 3 0 0 9 X X X 0 0 0 9 0 0 1 2 0 X X X 0 5 8 0 1 0 2 0 0 0 0 0 6 0 4 0 9 0 X X X 0 4 0 0 8 0 7 0 0 X X X 0 0 0 1 0 0 3 0 8 X X X 0 0 0 6 0 5 0 0 0 2 0 0 0 5 0 0 0 0 X X X 0 0 9 5 0 0 0 0 0 X X X 0 0 0 5 7 2 0 0 6 X X X 6 0 0 0 9 0 3 1 0 5 0 3 7 0 9 0 0 4 X X X 0 8 3 0 0 9 0 6 0 X X X 0 8 2 0 5 9 6 0 0 X X X 8 0 0 0 0 0 6 3 0 8 0 7 4 0 0 0 0 0 X X X 0 7 0 0 3 5 0 0 8 X X X 0 5 1 0 0 0 0 0 0 X X X 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 X X X 4 0 0 0 0 0 1 0 0 X X X 4 0 0 0 0 0 2 0 0 X X X 0 9 7 1 0 6 8 4 0

Solution

Hidden Text: Show

Code: Select all: 865279413742138956391564782954382167183746529627951348276413895519827634438695271 845267931296138475317459628432781569961543287758692143673925814129874356584316792 564978123389412567127563894856134972493725618712896435275649381941387256638251749 351296748964871253728354691176943582283765914495182367547628139819537426632419875 895124673634758129271396584186472395529631847743985261352849716918567432467213958 814639275356278941792415638931586724287941356645327819429853167578162493163794582 381296547256437819749815632463972158892153476517684923928741365175368294634529781 164789352273654918859312467937265184485197623612843795326571849591438276748926531 716835429432691578958724163374259816281467395695183247163948752549372681827516934 167354928493826175582179634348765291759241863621983457914637582235498716876512349 365741928294853617781269435976328541523417869418695273637584192849132756152976384 849572163276381549531496827312854796798263451654719382165947238427638915983125674 752683914681749235934251876296518347315472689847936152179864523468325791523197468 582491637716532849349687152453278961628159473197364285964715328835926714271843596 387924165965831427214756983748269531631475892592183746876592314429317658153648279 238564179915372468674981523546729831392148756781635942867413295429856317153297684 523718964791642835468539271146283597835976142972451683617824359284395716359167428 328917456714856392596243718163792845489365127275481639647129583852634971931578264 314592867658731429279486153832657941196824375547319286423965718961278534785143692 295834617317695284684217359528973461143526798769481532956142873872359146431768925 359128647716394852428675931637451298285739416194862375541283769972546183863917524 951867423738245961642391785416973852385624197279158346563789214827416539194532678 718324956534196872692758431157243689346981725829567314283419567971635248465872193 873296541146835972925741863564983127297164358318572496782359614651428739439617285 769531428183264579524789163458317296931625784672498315815942637246873951397156842 865279413 845267931 564978123 351296748 742138956 296138475 389412567 964871253 391564782 317459628 127563894 728354691 954382167 432781569 856134972 176943582 183746529 961543287 493725618 283765914 627951348 758692143 712896435 495182367 276413895124673925814639275649381296547628139 519827634758129874356278941387256437819537426 438695271396584316792415638251749815632419875 186472395 931586724 463972158 529631847 287941356 892153476 743985261 645327819 517684923 164789352849716835429853167354928741365741928 273654918567432691578162493826175368294853617 859312467213958724163794582179634529781269435 937265184 374259816 348765291 976328541 485197623 281467395 759241863 523417869 612843795 695183247 621983457 418695273 326571849572163948752683914637582491637584192 591438276381549372681749235498716532849132756 748926531496827516934251876512349687152976384 312854796 296518347 453278961 798263451 315472689 628159473 654719382 847936152 197364285 387924165947238564179864523718964715328917456 965831427638915372468325791642835926714856392 214756983125674981523197468539271843596243718 748269531 546729831 146283597 163792845 631475892 392148756 835976142 489365127 592183746 781635942 972451683 275481639 876592314592867413295834617824359128647129583 429317658731429856317695284395716394852634971 153648279486153297684217359167428675931578264 832657941 528973461 637451298 196824375 143526798 285739416 547319286 769481532 194862375 951867423965718324956142873296541283769531428 738245961278534196872359146835972546183264579 642391785143692758431768925741863917524789163 416973852 157243689 564983127 458317296 385624197 346981725 297164358 931625784 279158346 829567314 318572496 672498315 563789214 283419567 782359614 815942637 827416539 971635248 651428739 246873951 194532678 465872193 439617285 397156842 8 6 5 2 7 9 4 1 3 X X X 8 4 5 2 6 7 9 3 1 X X X 5 6 4 9 7 8 1 2 3 X X X 3 5 1 2 9 6 7 4 8 7 4 2 1 3 8 9 5 6 X X X 2 9 6 1 3 8 4 7 5 X X X 3 8 9 4 1 2 5 6 7 X X X 9 6 4 8 7 1 2 5 3 3 9 1 5 6 4 7 8 2 X X X 3 1 7 4 5 9 6 2 8 X X X 1 2 7 5 6 3 8 9 4 X X X 7 2 8 3 5 4 6 9 1 9 5 4 3 8 2 1 6 7 X X X 4 3 2 7 8 1 5 6 9 X X X 8 5 6 1 3 4 9 7 2 X X X 1 7 6 9 4 3 5 8 2 1 8 3 7 4 6 5 2 9 X X X 9 6 1 5 4 3 2 8 7 X X X 4 9 3 7 2 5 6 1 8 X X X 2 8 3 7 6 5 9 1 4 6 2 7 9 5 1 3 4 8 X X X 7 5 8 6 9 2 1 4 3 X X X 7 1 2 8 9 6 4 3 5 X X X 4 9 5 1 8 2 3 6 7 2 7 6 4 1 3 8 9 5 1 2 4 6 7 3 9 2 5 8 1 4 6 3 9 2 7 5 6 4 9 3 8 1 2 9 6 5 4 7 6 2 8 1 3 9 5 1 9 8 2 7 6 3 4 7 5 8 1 2 9 8 7 4 3 5 6 2 7 8 9 4 1 3 8 7 2 5 6 4 3 7 8 1 9 5 3 7 4 2 6 4 3 8 6 9 5 2 7 1 3 9 6 5 8 4 3 1 6 7 9 2 4 1 5 6 3 8 2 5 1 7 4 9 8 1 5 6 3 2 4 1 9 8 7 5 X X X X X X 1 8 6 4 7 2 3 9 5 X X X 9 3 1 5 8 6 7 2 4 X X X 4 6 3 9 7 2 1 5 8 X X X X X X X X X X X X 5 2 9 6 3 1 8 4 7 X X X 2 8 7 9 4 1 3 5 6 X X X 8 9 2 1 5 3 4 7 6 X X X X X X X X X X X X 7 4 3 9 8 5 2 6 1 X X X 6 4 5 3 2 7 8 1 9 X X X 5 1 7 6 8 4 9 2 3 X X X X X X 1 6 4 7 8 9 3 5 2 8 4 9 7 1 6 8 3 5 4 2 9 8 5 3 1 6 7 3 5 4 9 2 8 7 4 1 3 6 5 7 4 1 9 2 8 2 7 3 6 5 4 9 1 8 5 6 7 4 3 2 6 9 1 5 7 8 1 6 2 4 9 3 8 2 6 1 7 5 3 6 8 2 9 4 8 5 3 6 1 7 8 5 9 3 1 2 4 6 7 2 1 3 9 5 8 7 2 4 1 6 3 7 9 4 5 8 2 1 7 9 6 3 4 5 2 9 7 8 1 2 6 9 4 3 5 9 3 7 2 6 5 1 8 4 X X X 3 7 4 2 5 9 8 1 6 X X X 3 4 8 7 6 5 2 9 1 X X X 9 7 6 3 2 8 5 4 1 4 8 5 1 9 7 6 2 3 X X X 2 8 1 4 6 7 3 9 5 X X X 7 5 9 2 4 1 8 6 3 X X X 5 2 3 4 1 7 8 6 9 6 1 2 8 4 3 7 9 5 X X X 6 9 5 1 8 3 2 4 7 X X X 6 2 1 9 8 3 4 5 7 X X X 4 1 8 6 9 5 2 7 3 3 2 6 5 7 1 8 4 9 5 7 2 1 6 3 9 4 8 7 5 2 6 8 3 9 1 4 6 3 7 5 8 2 4 9 1 6 3 7 5 8 4 1 9 2 5 9 1 4 3 8 2 7 6 3 8 1 5 4 9 3 7 2 6 8 1 7 4 9 2 3 5 4 9 8 7 1 6 5 3 2 8 4 9 1 3 2 7 5 6 7 4 8 9 2 6 5 3 1 4 9 6 8 2 7 5 1 6 9 3 4 2 5 1 8 7 6 5 1 2 3 4 9 6 8 7 1 5 2 9 7 6 3 8 4 X X X X X X 3 1 2 8 5 4 7 9 6 X X X 2 9 6 5 1 8 3 4 7 X X X 4 5 3 2 7 8 9 6 1 X X X X X X X X X X X X 7 9 8 2 6 3 4 5 1 X X X 3 1 5 4 7 2 6 8 9 X X X 6 2 8 1 5 9 4 7 3 X X X X X X X X X X X X 6 5 4 7 1 9 3 8 2 X X X 8 4 7 9 3 6 1 5 2 X X X 1 9 7 3 6 4 2 8 5 X X X X X X 3 8 7 9 2 4 1 6 5 9 4 7 2 3 8 5 6 4 1 7 9 8 6 4 5 2 3 7 1 8 9 6 4 7 1 5 3 2 8 9 1 7 4 5 6 9 6 5 8 3 1 4 2 7 6 3 8 9 1 5 3 7 2 4 6 8 3 2 5 7 9 1 6 4 2 8 3 5 9 2 6 7 1 4 8 5 6 3 9 2 2 1 4 7 5 6 9 8 3 1 2 5 6 7 4 9 8 1 5 2 3 1 9 7 4 6 8 5 3 9 2 7 1 8 4 3 5 9 6 2 4 3 7 1 8 7 4 8 2 6 9 5 3 1 X X X 5 4 6 7 2 9 8 3 1 X X X 1 4 6 2 8 3 5 9 7 X X X 1 6 3 7 9 2 8 4 5 6 3 1 4 7 5 8 9 2 X X X 3 9 2 1 4 8 7 5 6 X X X 8 3 5 9 7 6 1 4 2 X X X 4 8 9 3 6 5 1 2 7 5 9 2 1 8 3 7 4 6 X X X 7 8 1 6 3 5 9 4 2 X X X 9 7 2 4 5 1 6 8 3 X X X 2 7 5 4 8 1 6 3 9 8 7 6 5 9 2 3 1 4 5 9 2 8 6 7 4 1 3 2 9 5 8 3 4 6 1 7 8 2 4 3 5 9 1 2 8 6 4 7 1 2 9 5 8 3 4 2 9 3 1 7 6 5 8 7 3 1 4 2 9 8 5 6 3 1 7 6 9 5 2 8 4 3 9 5 7 1 6 3 9 4 8 5 2 6 3 4 9 7 1 1 5 3 6 4 8 2 7 9 4 8 6 1 5 3 2 9 7 6 8 4 2 1 7 3 5 9 1 6 7 4 2 8 6 7 5 9 3 1 5 7 8 2 6 4 X X X X X X 8 3 2 6 5 7 9 4 1 X X X 5 2 8 9 7 3 4 6 1 X X X 6 3 7 4 5 1 2 9 8 X X X X X X X X X X X X 1 9 6 8 2 4 3 7 5 X X X 1 4 3 5 2 6 7 9 8 X X X 2 8 5 7 3 9 4 1 6 X X X X X X X X X X X X 5 4 7 3 1 9 2 8 6 X X X 7 6 9 4 8 1 5 3 2 X X X 1 9 4 8 6 2 3 7 5 X X X X X X 9 5 1 8 6 7 4 2 3 9 6 5 7 1 8 3 2 4 9 5 6 1 4 2 8 7 3 2 9 6 5 4 1 2 8 3 7 6 9 5 3 1 4 2 8 7 3 8 2 4 5 9 6 1 2 7 8 5 3 4 1 9 6 8 7 2 3 5 9 1 4 6 8 3 5 9 7 2 5 4 6 1 8 3 2 6 4 5 7 9 6 4 2 3 9 1 7 8 5 1 4 3 6 9 2 7 5 8 4 3 1 7 6 8 9 2 5 7 4 1 8 6 3 9 1 7 5 2 4 7 8 9 1 6 3 4 1 6 9 7 3 8 5 2 X X X 1 5 7 2 4 3 6 8 9 X X X 5 6 4 9 8 3 1 2 7 X X X 4 5 8 3 1 7 2 9 6 3 8 5 6 2 4 1 9 7 X X X 3 4 6 9 8 1 7 2 5 X X X 2 9 7 1 6 4 3 5 8 X X X 9 3 1 6 2 5 7 8 4 2 7 9 1 5 8 3 4 6 X X X 8 2 9 5 6 7 3 1 4 X X X 3 1 8 5 7 2 4 9 6 X X X 6 7 2 4 9 8 3 1 5 5 6 3 7 8 9 2 1 4 X X X 2 8 3 4 1 9 5 6 7 X X X 7 8 2 3 5 9 6 1 4 X X X 8 1 5 9 4 2 6 3 7 8 2 7 4 1 6 5 3 9 X X X 9 7 1 6 3 5 2 4 8 X X X 6 5 1 4 2 8 7 3 9 X X X 2 4 6 8 7 3 9 5 1 1 9 4 5 3 2 6 7 8 X X X 4 6 5 8 7 2 1 9 3 X X X 4 3 9 6 1 7 2 8 5 X X X 3 9 7 1 5 6 8 4 2

Gattai-41 (gattai-41-180405)

Code: Select all: ..19.54.. .8..7.... .91.....2 912.5.... .92.74... .6.....93 4.2.5...3 2.7....1. ...1..... ..863..4. ....7.8.. 3..8....1 4.....9.. ..836.9.. 6..5....7 8....7..5 2....47.. ..42.6.95 3.6..215. .4......1 73...2..8 .142..... .....73.8 ....4...6 ...2..8.. .46.8327. 9...1..4. 9.5..8... ..9....3. ...498..6 19........9......9....5.....41.....1.....1...7.....1..7.2 6..5.....5.......8....7.....75..........84.........3...9. ..4..............6.........3.....85.....3...........62.1. ...42.9.3 57...9.6. ......3.. ....97.6. ...3.1... .19.64... 3.1624... ..68.4..1 2...6.... ...73.... 5.6...... .7..1.... ....5.....5....4.....2............8.....6......2...2.481. ...6.4.....3.........5............3....9.7..........3...4 ..49...............................5...5.......8....8..3. ...1..96. .2..6..9. .2.3..8.. 4...3...2 ....2.4.. 2.6.3..78 6..1.4... .....8..9 28...5... ...1...89 .98...... .43..8... ....69.7. .9647.... 456..3... 9.37.8...........6.....4...4...................7.....7... 5...............42....5......1.....4.....1....62...9..... 8..4.....5.....93..........5.....27...........3.......15. 4...3...7 .9..45.2. ....6.... .972..... ..2.1.49. ..87.2... ...4.7.8. ...74..98 ..8.4.... ..4.8.97. ....81..5 ....19... 8..43.....52....2..........5.....6.................6..28. .7.6.............4.........9.....7.9.....6.....1........6 ..6.1.....63...6...................................9.7.14 ...24178. ....49.1. ...1.8.72 5.7..4... 7....9... ......69. .....8... ......... ...9..... .81...... ...7....4 ...2..3.9 58.6.2... .1.23.... .32876... 74.3.6...................................3...68.....9.4.. 5........3.....3.....1.5.....9.........5.............4.5. .21..4.................2.....4..........2....23.....12..3 ...58.... 8..51.... .15.7.4.. ....9.8.. 81..42... .6.4.7... ...3.28.. .76.5.9.. .....624. ....8.... .7.48..5. 3...2...5 .65.......7...........54.....2..........35.....2.....1..7 .....2...49....8.....3.....8......9....27...............3 ...9.....2...................4...2.....9...........4.82.1 ...6..278 ....7391. .4.62.... ...4..35. ......57. 24...5... ...6...42 8..9..... ...3.9..2 15..7.4.6 ..8.3.... 4...8...7 ..2..7.3. .7..8..6. .42..6... .5..8....2.......1...1...............................97.. 6...2..........9.8....2............1.........9.....8.4... .841.7...4......5.....7............6.....3....3.....3.... ....4..7. ......8.5 ....62... ....6...9 7..1.53.. ...7849.6 ...15.74. ...7.9... .8.67.... ..2...... .6.7...23 9.5.48... .8.92...........6.....62.....2.........9..............3.. .7...8.........89..........69.....8....1.......1.....5..1 6.3..7.....3...2.....5.....37.....1....7......7........29 7..219... .2....1.. ...4..1.9 .9..4...1 .1862.74. ..5..6... 9...1.... 9.85..... .....164. 7..5...18 4......9. .819..5.6 45.7.98.. ..25....3 2..1....3 8....2..5 ..6.897.. ..4.....2 9....2..5 ..2.5.... .2..534.. .....1... .6....3.1 3...7.8.6 94.....3. ...79.82. ....7.492 1.....48. ....1..3. ..52.39..

2745 cells, 704 givens [25%], 2041 empty cells

Sudoku lines

Code: Select all: ..19.54...6.....93....7.8..8....7..573...2..8.46.8327.19.......6..5.......4...... .8..7....4.2.5...33..8....12....47...142.....9...1..4......9........8........6... .91.....22.7....1.4.....9....42.6.95.....73.89.5..8.......41.......75......3..... 912.5.......1.......836.9..3.6..215.....4...6..9....3......1.......84.......3.... .92.74.....863..4.6..5....7.4......1...2..8.....498..6...1..7.2...3...9.....62.1. ....9.......5.................42.9.3...3.1...2...6........5.........3............ ....5........7.............57...9.6..19.64......73.......2........5.............. .....1...............85..........3..3.1624...5.6..........8........3.........5... ...7...........................97.6...68.4..1.7..1.........2.................8... ....5.......6.4.....49........1..96.2.6.3..78.98......9.37.8...5........8..4..... ...4........................2..6..9.6..1.4....43..8........6.......42......93.... ............................2.3..8.......8..9....69.7....4..........1......5..... ....6.......9.7......5.....4...3...228...5....9647..................1............ ...2.481.....3...4....8..3.....2.4.....1...89456..3........7......9...........15. .....................5.....4...3...7..2.1.49...8.4........52................63... .....4.......5..............9..45.2...87.2.....4.8.97............................ ..............4......27........6.......4.7.8.....81..5...6........7.9............ .....7.......62.......3.....972........74..98....19.................1............ 8..43.....7.6.......6.1.......24178.......69....7....474.3.6...5.........21..4... ....2.........4......6.........49.1......8......2..3.9............3.............. ...5........9.................1.8.72.........58.6.2.................9........4... ..............6............5.7..4......9......1.23.........3......5.........2.... ...6..28.........6...9.7.147....9....81.......32876.......9.4.......4.5.....12..3 ............3.................58....81..42........624.....7.......49.......2..... ............1.5........2...8..51.....6.4.7.......8........54......3.............. ............................15.7.4.....3.28...7.48..5..............9.......2..... ...68................23........9.8...76.5.9..3...2...5.....2..................... .65...........2......9........6..27824...5.....8.3.....5..8....6...2.....841.7... ............8..................7391....6...424...8...7.....1......9.8.......5.... .....2......8..........4....4.62....8..9.......2..7.3............................ ....35......27.......9........4..35....3.9..2.7..8..6........................3... .....1..7........3...4.82.1......57.15..7.4.6.42..6........97.....8.4.......3.... ...2.................4.........4..7.7..1.53...8.67...........................3... ...1.........2........7..........8.5...7849.6..2..........62...............5..... ..............1........6.......62......15.74..6.7...23.............8........1.... ............9.........3........6...9...7.9...9.5.48.................1.......7.... .8.92.....7...8...6.3..7...7..219.....5..6...4......9.8....2..5.2..534.....79.82. ....6.......89.......2......2....1..9...1.....819..5.6..6.897.......1.......7.492 .....2......69.......37.......4..1.99.85.....45.7.98....4.....2.6....3.11.....48. ...9........1........7......9..4...1.....164...25....39....2..53...7.8.6....1..3. ......3.......5..1.......29.1862.74.7..5...182..1....3..2.5....94.....3...52.39..

For Spreadsheet

Hidden Text: Show

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Solution

Hidden Text: Show

Code: Select all: 381965427467218593925374816812497635739652148546183279198726354673541982254839761 186473259472951683395862471253694718714285936968317542827539164641728395539146827 391764582267859413458123976834216795612597348975438621783641259126975834549382167 912458763637129584458367921346872159125943876789516432873691245561284397294735618 192874653578631249634529187843756921965213874721498536389145762216387495457962318 354196827982537641761284539678425913495371286213869754147658392829743165536912478 164952783395478126827316549573129864219864375486735291658243917742591638931687452 259461873834297561167853294942578316371624985586319427423186759715932648698745132 245761389397485216618923457431297865956834721872516934184672593523149678769358142 629853147357614829184972536435187962216539478798246315943768251572391684861425793 392471658165389742478625931521763894687194523943258167834516279759842316216937485 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1 7 3 5 8 X X X 6 9 3 1 4 2 5 7 8 2 4 6 8 7 5 9 1 3 X X X 3 7 5 6 1 9 8 4 2 X X X 8 7 5 9 4 3 2 1 6 X X X 8 5 4 3 6 9 1 7 2 X X X 1 5 8 9 7 3 4 2 6 9 7 8 2 3 1 4 5 6 X X X 4 9 1 5 8 2 3 6 7 X X X 6 9 2 1 8 7 4 3 5 X X X 1 7 3 5 8 2 9 6 4 X X X 7 4 2 5 8 6 1 3 9 1 5 2 4 8 9 6 3 7 2 8 1 5 4 9 2 3 1 7 8 6 1 4 5 2 3 9 5 7 8 6 4 1 9 7 5 3 8 2 1 5 6 4 9 7 2 1 6 8 3 5 2 6 9 7 1 4 6 9 7 5 2 3 8 4 1 9 5 6 7 2 3 9 6 8 1 5 4 3 2 9 7 6 8 4 9 1 3 5 2 8 4 1 9 6 7 8 2 4 5 1 3 9 8 4 2 7 6 8 1 4 3 9 5 3 8 4 1 6 7 5 9 2 4 3 7 6 1 8 7 5 4 2 9 3 6 7 8 1 5 4 2 3 6 8 7 9 2 3 6 4 1 5 7 9 3 8 2 6 5 3 7 9 1 4 7 3 5 8 6 2 X X X X X X 1 2 5 3 4 8 9 7 6 X X X 4 6 9 2 1 3 8 7 5 X X X 4 8 7 3 6 2 5 9 1 X X X 7 8 2 3 6 5 1 4 9 X X X X X X X X X X X X 7 6 9 1 2 5 3 8 4 X X X 5 3 1 7 8 4 9 2 6 X X X 9 2 3 1 5 8 7 4 6 X X X 6 4 1 7 2 9 3 5 8 X X X X X X X X X X X X 4 8 3 6 7 9 2 5 1 X X X 8 7 2 9 5 6 4 1 3 X X X 1 6 5 7 9 4 8 2 3 X X X 9 3 5 1 4 8 7 6 2 X X X X X X 5 8 4 9 2 1 3 7 6 5 1 4 8 9 2 1 6 5 3 4 7 8 6 2 5 9 1 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Edit: hide some elements, to make post/thread shorter, more readable!

by **enxio27** » Mon Apr 09, 2018 7:58 pm

1to9only wrote:And here's the gattais-25 (shaolin) and gattai-45 I also generated... I've no pdf's for these 2.

Thank you so much! I gather that your generator can generate any size gattai you choose? What other gattai configurations can it generate? Can it generate gattai puzzles with additional constraints, such as diagonal (sudoku-X), windoku,non-consecutive, disjoint groups, even-odd, greater-than-less-than?

by **1to9only** » Mon Apr 09, 2018 8:36 pm

I find the bigger gattais too long (for myself) to complete, so now have a modified gattai generator to produce (my preferred) 4x3 gattais printed on 2 A4 sheets, or 3x2 (same as 2x3) harakiris printed on a single A4 page.

enxio27 wrote:What other types of puzzles can it generate?

The gattai generator can currently make NxN (square) and NxM (rectangular) gattais of any size - I think, processing time being a factor! I have not created a DOAG yet. The MOAG in post #1 took about 20 minutes to create on a Gen5 Intel i7 laptop, solving for naked and hidden singles, and reducing the candidates list by box-line and line-box interactions only. A more difficult gattai can be produced by introducing naked and/or hidden subsets (and any of pairs, triples, quads enabled), but processing time would be increased.

The gattais are fixed in N-(N-1)-N... configurations - the program figures out where the sudoku overlaps occur - it can be modified to create (N-1)-N-(N-1)... gattais, but I have not tried - I think the code that will work out where the sudoku overlaps occur will be slightly different. So 10-9- gattais (like the NP105s) is currently possible, but not the 9-10- gattais (the NP104s).

Code: Select all: e.g. for samurai, big_grid is 21x21 cells sudokus (0-4) configuration: 0 1 2 3 4 sudokus offset into big_grid (0,0 is top left): 0:0,0 1:0,12 2:6,6 3:12,0 4:12,12 sudokus overlaps: 0:2 1:2 2:0,1,3,4 3:2 4:2

enxio27 wrote:In particular, how many of the types below can it generate (examples provided on request)? Can it generate user-selected configurations of gattai?

It would be possible to manually hardcode the sudoku configuration and overlaps into the generator to create the required gattai - Sensei-1 or Wing-3 would be easiest to check out - again, I have not tried. Something for a rainy day, perhaps!

enxio27 wrote:[Can it generate gattai puzzles with additional constraints, such as diagonal (sudoku-X), windoku,non-consecutive, disjoint groups, even-odd, greater-than-less-than?

Quick answer, no - program code will have to be written. I have not really thought about constraints. It's possible...

At the moment, I'm still tweaking the solver code (speeding it up whenever possible), and adding new solving methods - I'm working with the basic fishes at the moment...

by **1to9only** » Mon Apr 09, 2018 8:43 pm

1to9only wrote:I have not really thought about constraints. It's possible...

I've only ever done the classic Sudoku and some variations of it, so generating sudokus and gattais with constraints is fairly low in my list of things to do...

by **enxio27** » Mon Apr 09, 2018 9:51 pm

Needless to say, I'm pretty excited about the fact that someone is working on a gattai-maker once again. The previous gattai-makers have all faded into oblivion, or shelved their work due to lack of time. The fact that yours can also make symmetrical puzzles is a plus. I'm hoping to be allowed to try out your generator sometime. 8-)

I understand the concerns about the time to solve a DOAG or a MOAG. I like to use the larger gattai for long road trips (I rarely drive on those trips unless I'm by myself), or work on them over a period of days or weeks for 30 minutes to an hour each night before I go to sleep. My primary limitation with anything larger than a Shaolin is calculating the pencil marks (I prefer to use software for the pencil marks so that I don't make mistakes that interfere with puzzle solving), but I am making do by splitting the larger puzzles into sections that Richard Broughton's SudokuSolver can handle, and using that to calculate pencil marks and print the grids.

For gattai, I find that I prefer to limit difficulty to X-Wings and Quads. The larger puzzles are challenging enough (due to time) without the need for more difficult techniques.

I don't mind vanilla gattai, but occasional puzzles with additional constraints (especially a blend of two or three constraints; jigsaw is another variant I enjoy) are fun for variety. The same goes for different grid configurations. Actually, the two that seem to be the most difficult to find are the Ninja (9-grid, diamond configuration, 1-2-3-2-1) and Taiken (21-grid, circle configuration, 2-3-4-3-4-3-2).

by **enxio27** » Tue Apr 10, 2018 1:40 am

Is your gattai-45 actually a gattai-41, or am I missing something somewhere?

I think yours is the first one of these. Do you have a name for it? How about SOAG (Son of All Gattai)? :lol:

by **1to9only** » Tue Apr 10, 2018 8:22 am

enxio27 wrote:Is your gattai-45 actually a gattai-41, or am I missing something somewhere?

Oops! You're correct! I wonder where that number 45 comes from?? Been staring at square cells too long lately... I'll correct the post above. Thanks for spotting mistake...

by **1to9only** » Tue Apr 10, 2018 8:34 am

enxio27 wrote:I think yours is the first one of these. Do you have a name for it? How about SOAG (Son of All Gattai)?

I personally have not named it anything, but SOAG is OK with me as it leads on to the bigger parents...

enxio27 wrote:Actually, the two that seem to be the most difficult to find are the Ninja (9-grid, diamond configuration, 1-2-3-2-1) and Taiken (21-grid, circle configuration, 2-3-4-3-4-3-2).

The Ninja-9 is a Sumo (gattai-13) with the 4 corner sudokus removed, and the Taiken-21 is a Shaolin (gattai-25) with the 4 corner sudokus removed - the generator can probably be modified to cope with these configs - Ahhh! Another side project for another rainy day!!!

by **enxio27** » Tue Apr 10, 2018 2:46 pm

1to9only wrote:It would be possible to manually hardcode the sudoku configuration and overlaps into the generator to create the required gattai - Sensei-1 or Wing-3 would be easiest to check out - again, I have not tried. Something for a rainy day, perhaps!

enxio27 wrote:Can it generate gattai puzzles with additional constraints, such as diagonal (sudoku-X), windoku, non-consecutive, disjoint groups, even-odd, greater-than-less-than?

1to9only wrote:Quick answer, no - program code will have to be written. I have not really thought about constraints. It's possible...

1to9only wrote:The Ninja-9 is a Sumo (gattai-13) with the 4 corner sudokus removed, and the Taiken-21 is a Shaolin (gattai-25) with the 4 corner sudokus removed - the generator can probably be modified to cope with these configs - Ahhh! Another side project for another rainy day!!!

I'm looking forward to seeing the results of those rainy days!

by **1to9only** » Thu Apr 19, 2018 4:59 pm

A 2x2 gattai in n-(n-1)-n configuration is a 2-1-2 gattai-5 samurai. In an n-(n+1)-n configuration, this becomes a 2-3-2 gattai-7 which I've named fat-samurai! For the 3x3 gattai, n-1 config is 3-2-3-2-3 gattai-13 sumo, n+1 config becomes 3-4-3-4-3 gatta-17 fat-sumo!! Every (n-1) gattai has a fat (n+1) equivalent! Here are some fat ones...

Fat Samurai [EASY]

Hidden Text: Show

Fat Samurai [MEDIUM]

Hidden Text: Show

Fat Sumo [EASY]

Hidden Text: Show

...7.4......8...2............5...9.2..46..7..39...5.4.....9..38...1.8.......4....
...3..........7............6...3.4..2....8.7.....79.8....7.5.......9.......8.....
......................23....7...5.....17.25.....1...8....21......................
.....7.......6.......3.2....7.92.....4.1....9..6.3...2............2..........1...
....5.......2.6...78..1.....9.5...72..6..91..1.5...4............5...2......3.4...
.....9......72..................7.3...38.41....8..5..7.....................5.....
............8.5........1.......8.793..5.39....9..241.6......................57...
.....1..3.......4.....7.......9..2352.3.1.49....2...1.....9..................81.4
.....8......3.........4.....8.9..5..5...278...4....912....5.......7..49......4..5
....17.......4.......3......1.5....8938...6.........9.8....27.52.5....64.........
...9........7.........8...........8.5....19.6...82...17..1...5.4.3........64..1.7

Code: Select all: 2.5..47.. ......... 8..7..... ......4.1 56....2.9 .61..2... .3...8..6 8.93....5 ....9.... 4...26... .8....... 185....7. 9.71....8 ..3...586 ..216...5 .8....... 2....1.7. ..6..7.4. 5.34......4....82......7.....4....4....7.4... ...........5..........6............3...8...2. ....7......2.........13..........5........... .5...3... 4.591..6. 5..9..1.. ..5...9.2 .29.8.3.6 ...27.5.. ..47.18.. ..46..7.. 348..9... 671.4.... .6.5..... 39...5.4. ....4....3.....7...................7....9..38 .1.........7...5.4..........59....6....1.8... 4..5..................23...1.....3.2....4.... 6...3.4.. .7...5... .7.92.... 2....8.7. ..17.25.. .4.1....9 ....79.8. ...1...8. ..6.3...2 ....5....7.5.....9...21..................1..3 ...2.6....9....72..........8.5...2.........4. 78..1....8...................1.....1....7.... .9.5...72 .....7.3. ....8.793 ...9..235 ..6..91.. ..38.41.. ..5.39... 2.3.1.49. 1.5...4.. ..8..5..7 .9..241.6 ...2...1. ...........8..........17.........9......9.... .5...2...3............4..........7........... ...3.4....4....5.....3......57....8......81.4 .8.9..5.. .1.5....8 .......8. 5...278.. 938...6.. 5....19.6 .4....912 .......9. ...82...1 ....5.... 8....27.5 7..1...5. ...7..49. 2.5....64 4.3...... .....4..5 ......... ..64..1.7

Fat Sumo [MEDIUM]

Hidden Text: Show

35..4.......72......4.15...4...3...8.791..........7..4...3.1.......5.............
.....3....465....7.8.7..2....5.3.419....5....9.....8.............................
24..5...6........3...3.9...45....3......95..2..9...1......6.......8.1............
.....8...6.87.2.......6.....4..8......1.2...786.49...1............9..........3...
............1.........7.......4.......5....2.9..71..6..............9........2....
.....................65.........7..34.7.9.....2...8.7......1.......8.............
...36..........8......8...13..1...981....3....2...8......9....5.......6....41.2..
...1........4..............3......5......9231......46.....7.........5........2...
...973.......2.......1...........786..2...1..167...........2.......3.......659...
...1........6.........9.....72......6847......9......1..............7........4...
..8.79....4.......9....6......7...4....9....516...5..78...5......6..........82...
.............1.......2......2.6...1.....8.9.68..4.........48.....................
....1........7..............9..38..1.1....5.......1.......4.........3............
...6..........1............6...93.878...4.5......6..4.....5.......9.82.4...3.....
............5.6.......4......3...8..8..41......9....24...6.1...4........3...5..69
.............................4.....2....3....531.2.7....2..7.1.9....253....6.....
.............6.......1.8...2..6..........479.8...3...4...72.3......46.......1..75

Code: Select all: 35..4.... .....3... 24..5...6 ...72.... .465....7 ........3 ..4.15... .8.7..2.. ...3.9... 4...3...8 ..5.3.419 45....3.. .791..... ....5.... ....95..2 .....7..4 9.....8.. ..9...1.. .....8...3.1......................6....36.... 6.87.2....5....1.................8.1......8.. ....6...........7..........65...........8...1 .4..8.... ...4..... .....7..3 3..1...98 ..1.2...7 ..5....2. 4.7.9.... 1....3... 86.49...1 9..71..6. .2...8.7. .2...8... .........1...........973.....1...1.....9....5 ...9.....4......9.....2.....8....6.........6. .....3..........2....1............9....41.2.. 3......5. ......786 .72...... .....9231 ..2...1.. 6847..... ......46. 167...... .9......1 ..8.79....7............2....1..........6..... .4.........5....1.....3.....7......7.....1... 9....6.....2...2.....659...........4......... ...7...4. .2.6...1. .9..38..1 6...93.87 ...9....5 ....8.9.6 .1....5.. 8...4.5.. 16...5..7 8..4..... .....1... ....6..4. 8...5...........48..........4...........5.... ..6......5.6.................3....6....9.82.4 ....82....4......................1.8...3..... ..3...8.. ..4.....2 2..6..... 8..41.... ....3.... .....479. ..9....24 531.2.7.. 8...3...4 ...6.1... ..2..7.1. ...72.3.. 4........ 9....253. ....46... 3...5..69 ...6..... ....1..75

The generated gattais are either: 'Easy' meaning they can be solved by naked and hidden singles only, or 'Medium' which require some use locked candidates, naked and hidden pairs to complete. The generator can create 'Hard' level gattais using harder level sudokus, but creating these take a long time and I've found that many of the gattais so created turn into 'Medium' when solved as a big grid. There's probably a way to create the harder levels with more consistency than I can at the moment, but I've yet to figure it out!

Two zip files are provided below - the first zip contains the generator output for the gattais above, each file contains the gattai in sudoku lines, spreadsheet paste and raw compact formats, followed by the gattai solution in the same formats. The file names are in the format: [gattai-type]-[datetime-generated].[level] with a '.sud' file extension. The second zip files contains pdf files for the gattais above.

Edit: fixed font code inside hidden

ATTACHMENTS
zip of gattais above: thefatones_sud.zip (11,065 bytes)
zip of pdfs of gattais above: thefatones_pdf.zip (77,988 bytes)

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the fat ones