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daj95376
Joined: 23 Aug 2008 Posts: 3854
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Posted: Fri Apr 09, 2010 4:28 am Post subject: Puzzle 10/04/09 (F) |
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Friday sans <8> in givens
Code: | +-----------------------+
| 3 . . | . 7 1 | . . 4 |
| . 1 . | . 4 . | 6 . . |
| . . 9 | . . . | . . . |
|-------+-------+-------|
| . . . | . . 4 | . 6 . |
| 9 2 . | . 5 7 | . . 1 |
| 4 . . | 9 2 . | . . . |
|-------+-------+-------|
| . 5 . | . . . | 3 . . |
| . . . | 1 . . | . 7 5 |
| 2 . . | . 6 . | . 4 9 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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tlanglet
Joined: 17 Oct 2007 Posts: 2468 Location: Northern California Foothills
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Posted: Fri Apr 09, 2010 7:01 pm Post subject: |
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Three steps (and no URs)
Quote: | xyz-wing 358 in r4c3 deletes 8 from r5c3
Skyscraper 8 in r57c8
(6=3)r6c6 - (3=8)r4c4 - r4c13 = r6c2 - (8=6)r1c2; r6c2<>6 (The chain ate itself!)
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Ted |
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Marty R.
Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
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Posted: Sat Apr 10, 2010 8:57 pm Post subject: |
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XYZ-Wing (358)
Coloring (6) (no help)
Skyscraper (8)
W-Wing (36) |
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Luke451
Joined: 20 Apr 2008 Posts: 310 Location: Southern Northern California
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Posted: Sun Apr 11, 2010 5:52 pm Post subject: |
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tlanglet wrote: | (6=3)r6c6 - (3=8)r4c4 - r4c13 = r6c2 - (8=6)r1c2; r6c2<>6 (The chain ate itself!)
Ted |
You had it at =r6c2, no cannibalism req'd .
Code: | *--------------------------------------------------------------------*
| 3 68 2568 | 258 7 1 | 258 9 4 |
| 578 1 258 | 2358 4 9 | 6 2358 378 |
| 578 4 9 | 23568 38 368 | 2578 1 378 |
|----------------------+----------------------+----------------------|
| 58 7 358 | 38 1 4 | 9 6 2 |
| 9 2 36 | 368 5 7 | 4 38 1 |
| 4 368 1 | 9 2 36 | 578 358 378 |
|----------------------+----------------------+----------------------|
| 1 5 7 | 4 9 28 | 3 28 6 |
| 6 9 4 | 1 38 238 | 28 7 5 |
| 2 38 38 | 7 6 5 | 1 4 9 |
*--------------------------------------------------------------------*
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(6=3)r6c6 - (3=8)r4c4 - r4c13 = (8)r6c2 => r6c2<>6 |
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