The New Sudoku Players' Forum

by **wapati** » Mon Oct 23, 2006 12:49 am

This is a fun puzzle.

Solvers vary on the means.

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

by **wapati** » Mon Oct 23, 2006 12:57 am

Yep, a few twists.

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

by **wapati** » Mon Oct 23, 2006 1:25 am

Three, or four, different methods for me.

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

by **Carcul** » Mon Oct 23, 2006 2:01 pm

Wapati wrote:Three, or four, different methods for me.

Code: Select all: *-------------------------------------------------------------* | 9 7 1 | 8 25 6 | 3 4 25 | | 4 58 28 | 3 7 9 | 1 25 6 | | 235 35 6 | 1 245 245 | 9 7 8 | |-------------------+--------------------+--------------------| | 1358 2 7 | 6 9 38 | 58 158 4 | | 18 148 9 | 5 1248 2478 | 6 3 127 | | 6 1458 38 | 47 12348 2478 | 2578 1258 9 | |-------------------+--------------------+--------------------| | 1278 6 238 | 9 3458 4578 | 24578 1258 1257 | | 12378 138 5 | 47 6 3478 | 2478 9 127 | | 78 9 4 | 2 58 1 | 578 6 3 | *-------------------------------------------------------------*

1. [r1c5]-5-[r1c9]=5=[r7c9]-5-[r9c7]=5=[r9c5]-5-[r1c5], => r1c5<>5.

2. [r8c4]-4-[r6c4]-7-[r6c7]-2-[r8c7]-4-[r8c4], => r8c4<>4.

Carcul

by **Carcul** » Mon Oct 23, 2006 2:12 pm

Wapati wrote:Yep, a few twists.

Just one:

Code: Select all: *----------------------------------------------------------------* | 39 1 2 | 4 35 359 | 6 7 8 | | 4 358 3568 | 167 13678 378 | 9 135 2 | | 7 358 35689 | 169 1368 2 | 4 135 15 | |---------------------+--------------------+---------------------| | 5 2 139 | 19 134 6 | 7 8 49 | | 8 46 19 | 1579 2 579 | 15 46 3 | | 39 46 7 | 8 1345 3459 | 15 2 469 | |---------------------+--------------------+---------------------| | 1 9 4 | 3 5678 578 | 2 56 567 | | 6 3578 358 | 2 457 1 | 38 9 457 | | 2 3578 358 | 567 9 457 | 38 1456 14567 | *----------------------------------------------------------------*

[r4c4]-9-[r4c9]=9=[r6c9]-9-[r6c1]=9=[r1c1]-9-[r1c6]=9=[r3c4]-9-[r4c4]

=> r4c4<>9 solving the puzzle.

Carcul

by **Carcul** » Mon Oct 23, 2006 2:21 pm

Wapati wrote:This is a fun puzzle.(...)Solvers vary on the means.

Code: Select all: *--------------------------------------------------------------* | 167 3 29 | 4 5 29 | 67 8 16 | | 1678 29 178 | 3789 12789 1279 | 3567 4 1356 | | 4 18 5 | 378 6 17 | 2 37 9 | |--------------------+--------------------+--------------------| | 158 29 6 | 79 3 1279 | 4 579 58 | | 138 7 18 | 5 19 4 | 369 2 368 | | 35 4 29 | 6 279 8 | 79 1 35 | |--------------------+--------------------+--------------------| | 78 568 4 | 1 789 3 | 589 569 2 | | 9 1568 138 | 2 4 56 | 1358 356 7 | | 2 1568 1378 | 789 789 56 | 13589 3569 4 | *--------------------------------------------------------------*

{ATILA(2,9): r1c3|r1c6|r4c6|r4c2|r2c2}

and so r4c6<>2,9, solving the puzzle.

Carcul

by **Carcul** » Mon Oct 23, 2006 2:44 pm

Wapati wrote:Puzzle that takes me three patterns.(...)Chain gangs... I have no guess.

Code: Select all: *-----------------------------------------------------* | 1 3 4 | 5 2 7 | 6 89 89 | | 5 6 7 | 8 9 1 | 3 4 2 | | 8 9 2 | 34 34 6 | 7 5 1 | |----------------+-----------------+------------------| | 9 8 5 | 1 6 34 | 2 7 34 | | 6 4 1 | 379 37 2 | 8 39 5 | | 7 2 3 | 49 5 8 | 49 1 6 | |----------------+-----------------+------------------| | 2 7 89 | 6 1 349 | 5 389 3489 | | 34 1 89 | 2 348 5 | 49 6 7 | | 34 5 6 | 347 3478 349 | 1 2 3489 | *-----------------------------------------------------*

[r7c6]=4=[r7c9](-4-[r4c9]-3-[r5c8]=3=[r7c8]-3-[r7c6])-4-[r8c7]-9-
-[r8c3]=9=[r7c3]-9-[r7c6], => r7c6<>3,9 => r7c6=4.

Wapati wrote:Still on auto-pilot. Generating, not solving.(...)This is at least three for me.

Code: Select all: *---------------------------------------------------------------* | 2 7 136 | 9 4 1356 | 156 56 8 | | 5 16 4 | 7 8 16 | 2 3 9 | | 9 1368 1368 | 156 2 1356 | 4 567 157 | |---------------------+--------------------+--------------------| | 148 138 12358 | 12 6 19 | 379 45789 1457 | | 168 9 1568 | 4 3 7 | 158 2 15 | | 14 123 7 | 8 5 129 | 39 49 6 | |---------------------+--------------------+--------------------| | 168 1268 9 | 3 7 268 | 568 4568 45 | | 3 4 68 | 56 1 568 | 79 79 2 | | 7 5 268 | 26 9 4 | 68 1 3 | *---------------------------------------------------------------*

[r7c6]=2|1=[r7c1]=6=[r5c1]=8=[X-Wing: r59c37]-8-[r8c3]=8=[r8c6]-
-8-[r7c6], => r7c6<>8 solving the puzzle.

Carcul

by **Ocean** » Mon Oct 23, 2006 3:46 pm

Colored Wings:

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

SS: 5xLC; No hints (XYZ-wing: r7c6 <> 9); Multiple Colors (Turbot Fish); Multiple Colors; X-wing; Colors; Colors; Multiple Colors; Colors; XY-wing; XY-wing; Solves.

Mixed Colors:

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

SS: Multiple Colors (Turbot Fish); Multiple Colors (Turbot Fish); LC; No hints (X-cycle/Advanced coloring); Colors; LC; Multiple Colors; X-wing; Colors; Solves.

by **Carcul** » Mon Oct 23, 2006 5:39 pm

Wapati wrote:It is the weekend, I am busy, I generated this monster.(...) I'll try it when I have time..(...)(It does look busy.)

Very nice puzzle.

Code: Select all: *-------------------------------------------------------------* | 5 4 7 | 13 6 2 | 8 9 13 | | 6 13 8 | 4 5 9 | 7 13 2 | | 9 2 13 | 138 7 138 | 46 5 46 | |--------------------+-------------------+--------------------| | 14 135 1345 | 2 8 6 | 9 13 7 | | 7 136 2 | 5 9 13 | 1346 46 8 | | 8 9 136 | 137 4 137 | 136 2 5 | |--------------------+-------------------+--------------------| | 2 1567 1456 | 9 13 478 | 13456 468 1346 | | 3 1567 1456 | 78 2 478 | 1456 468 9 | | 14 8 9 | 6 13 5 | 2 7 134 | *-------------------------------------------------------------*

1. =6=[r6c3]-6-[r5c2|r6c7]-{Two Incompatible ATILA}, => r6c3<>6.

2. {ATILA(1,3): r6c4|r1c4|r1c9|r2c8|r4c8|r5c7|r5c6}, => r6c4=7.

3. [r8c7]-5-[r7c7]=5=[r7c2]=7=[r8c2]-7-[r8c6]-4-[r8c3]-5-[r8c7], => r8c7<>5 solving the puzzle.

Carcul

by **Carcul** » Mon Oct 23, 2006 6:21 pm

Ocean wrote:Mixed Colors:

Code: Select all: *----------------------------------------------------* | 68 7 368 | 368 1 4 | 9 5 2 | | 5 689 2 | 689 89 7 | 1 3 4 | | 1 4 39 | 39 2 5 | 6 7 8 | |-----------------+-----------------+----------------| | 4 2 689 | 7 3 1 | 5 689 69 | | 3 189 5 | 89 6 2 | 4 189 7 | | 689 1689 7 | 4 5 89 | 2 1689 3 | |-----------------+-----------------+----------------| | 689 3 1 | 2 89 689 | 7 4 5 | | 7 5 69 | 1 4 3 | 8 2 69 | | 2 689 4 | 5 7 689 | 3 69 1 | *----------------------------------------------------*

1. [r7c1]=6=[r7c6]-6-[r9c6]=6=[r6c1]-6-[r7c1], => r1c1<>6.

2. r6c2=9 or r7c6=9, and so r6c6<>9, solving the puzzle.

Carcul

by **wapati** » Tue Oct 24, 2006 3:06 am

Here is one that takes 3 URs, a finned swordfish and two ER/Turbots, when I do it. The chain SE spots is a finned (grouped) swordfish.

Code: Select all: ..86....2 .....7... 35...24.. ..35..79. 1.4...... .....6..4 ..2.34..5 8.....6.. .7..6.1..

by **wapati** » Tue Oct 24, 2006 3:22 am

Seems to be a UR night! This one has two URs and a UR Loop and an x-wing and grouped x (skyscraper ER or Turbot, as you prefer!)

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

by **wapati** » Tue Oct 24, 2006 3:34 am

This one has two solvers listing seven or so patterns to find.
A third solver says three are enough. I like to find them all, if I can.

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

by **wapati** » Tue Oct 24, 2006 4:45 am

This has humour, lots.

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

by **wapati** » Tue Oct 24, 2006 4:57 am

Way many. I am staying up late.

Code: Select all: .....9.2. ...1.48.6 ....5.4.. .9......4 ..1.72... 73..9...1 .54...... 9......8. .6.5.1..7

The New Sudoku Players' Forum

Fun puzzle. So many methods to solve. No CHAINS required.

Ocean's second puzzle