The New Sudoku Players' Forum

by **morl** » Mon Apr 30, 2018 11:58 am

Code: Select all: +-------+-------+-------+ | 2 3 . | 5 6 . | 8 9 . | | 8 . . | 4 . . | 1 . . | | . . . | . . . | . . . | +-------+-------+-------+ | 5 6 . | 8 9 . | 2 3 . | | 7 . . | 1 . . | 4 . . | | . . . | . . . | . . . | +-------+-------+-------+ | 3 8 . | 9 2 . | 5 1 . | | 1 . . | 7 . . | 3 . . | | . . . | . . . | . . . | +-------+-------+-------+

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23.56.89.8..4..1...........56.89.23.7..1..4...........38.92.51.1..7..3...........

Have fun!
morl

by **ArkieTech** » Mon Apr 30, 2018 12:22 pm

Code: Select all: *-----------------------------------------------------------------------------* | 2 3 147 | 5 6 17 | 8 9 a47 | | 8 579 5679 | 4 37 2379 | 1 2567 23567 | | 469 14579 145679 | 23 1378 123789 | 67 24567 234567 | *-------------------------+-------------------------+-------------------------| | 5 6 14 | 8 9 b47 | 2 3 1-7 | | 7 29 38 | 1 35 2356 | 4 568 5689 | | 49 1249 38 | 236 3457 234567 | 679 5678 156789 | *-------------------------+-------------------------+-------------------------| | 3 8 467 | 9 2 b46 | 5 1 a467 | | 1 459 24569 | 7 458 4568 | 3 2468 24689 | | 469 4579 245679 | 36 13458 134568 | 679 24678 246789 | *-----------------------------------------------------------------------------* [(7=6)r17c9-(6=7)r47c6]-7r4c9; ste

by **Cenoman** » Mon Apr 30, 2018 2:11 pm

Code: Select all: +-------------------------+-------------------------+-------------------------+ | 2 3 ac147* | 5 6 b17 | 8 9 a47* | | 8 579 5679 | 4 37 2379 | 1 2567 23567 | | 469 14579 145679 | 23 1378 123789 | 67 24567 234567 | +-------------------------+-------------------------+-------------------------+ | 5 6 d14 | 8 9 47 | 2 3 e1-7 | | 7 29 38 | 1 35 2356 | 4 568 5689 | | 49 1249 38 | 236 3457 234567 | 679 5678 156789 | +-------------------------+-------------------------+-------------------------+ | 3 8 a467* | 9 2 46 | 5 1 a467* | | 1 459 24569 | 7 458 4568 | 3 2468 24689 | | 469 4579 245679 | 36 13458 134568 | 679 24678 246789 | +-------------------------+-------------------------+-------------------------+

Almost X-wing (7)r17c39(*) + rfr1c6
[XW(7)r1c9*=r1c3-r7c3=r7c9] = (7-1)r1c6 = r1c3 - r4c3 = (1)r4c9 => -7 r4c9; stte

by **Leren** » Mon Apr 30, 2018 9:21 pm

Code: Select all: *--------------------------------------------------------* | 2 3 147 | 5 6 17 | 8 9 c47 | | 8 579 5679 | 4 37 2379 | 1 2567 23567 | | 469 14579 145679 | 23 1378 123789 | 67 24567 234567 | |------------------+------------------+------------------| | 5 6 14 | 8 9 a47 | 2 3 1-7 | | 7 29 38 | 1 35 2356 | 4 568 5689 | | 49 1249 38 | 236 3457 234567 | 679 5678 156789 | |------------------+------------------+------------------| | 3 8 467 | 9 2 b46 | 5 1 c467 | | 1 459 24569 | 7 458 4568 | 3 2468 24689 | | 469 4579 245679 | 36 13458 134568 | 679 24678 246789 | *--------------------------------------------------------*

ALS XY Wing: (7=4) r4c6 - (4=6) r7c6 - (6=7) r17c9 => - 7 r4c9; stte

by **pjb** » Mon Apr 30, 2018 10:19 pm

Code: Select all: 2 3 147 | 5 6 17 | 8 9 b47 8 579 5679 | 4 37 2379 | 1 2567 23567 469 14579 145679 | 23 1378 123789 | 67 24567 234567 ------------------------+----------------------+--------------------- 5 6 a14 | 8 9 7-4 | 2 3 b17 7 29 38 | 1 35 2356 | 4 568 5689 49 1249 38 | 236 3457 234567 | 679 5678 156789 ------------------------+----------------------+--------------------- 3 8 67-4 | 9 2 c46 | 5 1 b 467 1 459 24569 | 7 458 4568 | 3 2468 24689 469 4579 245679 | 36 13458 134568 | 679 24678 246789

(4=1)r4c3 - (1=6)r147c9 - (6=4)r7c6 => -4 r4c6, r7c3; stte

Phil

Corner Pattern Puzzle 2 (SW 226)