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daj95376
Joined: 23 Aug 2008 Posts: 3854
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Posted: Wed Mar 10, 2010 12:48 am Post subject: Puzzle 10/03/09 Advanced |
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Code: | +-----------------------+
| 7 1 5 | . 3 . | . . 4 |
| 2 3 . | . . . | . 5 . |
| 9 . . | . . . | . 7 . |
|-------+-------+-------|
| . . . | . . . | 4 6 . |
| 1 . . | . . . | . . 3 |
| . . . | . . 3 | 9 1 7 |
|-------+-------+-------|
| . . . | 3 . 5 | . 4 . |
| . 7 1 | 4 . 9 | 5 2 . |
| 5 . . | . 6 7 | . . 9 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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arkietech
Joined: 31 Jul 2008 Posts: 1834 Location: Northwest Arkansas USA
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Posted: Wed Mar 10, 2010 12:43 pm Post subject: |
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Two steps: |
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tlanglet
Joined: 17 Oct 2007 Posts: 2468 Location: Northern California Foothills
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Posted: Wed Mar 10, 2010 3:06 pm Post subject: |
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Also a two stepper, very similar to Dan's.
Quote: | Type 3 UR79 in r24c45 forms subset 12 to delete 2 in r4c2,
w-wing 12.
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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: Fri Mar 12, 2010 12:19 am Post subject: |
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I used an M-Wing (12), XY-Wing (256) with pincer transport, XY-Loop and then looked at the implication of the potential 48 UR in boxes 17. |
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