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daj95376
Joined: 23 Aug 2008 Posts: 3854
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Posted: Thu Jul 09, 2009 5:14 pm Post subject: Puzzle VH_055 |
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Code: | +-----------------------+
| 2 3 . | . 6 9 | . . . |
| 6 . . | . . . | 5 . . |
| . . 8 | . 5 1 | 4 . 3 |
|-------+-------+-------|
| . . . | . . . | . . 1 |
| 3 . 6 | . 9 . | . . . |
| 4 . 9 | . . 3 | . . 5 |
|-------+-------+-------|
| . 6 3 | . . . | . . 8 |
| . . . | . . . | . 3 . |
| . . 4 | 3 . 8 | 1 . . |
+-----------------------+
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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: Thu Jul 09, 2009 7:44 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: Fri Jul 10, 2009 1:51 am Post subject: |
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A single stepper:
Quote: | UR 79 in r39c12. To break up the UR, either r9c12=5 or r9c2=2
(2)r9c2 - (2)r8c3 = (2)r4c3 - (2)r4c56 = (2)r6c5,
(5)r9c12 - (5=7)r9c8 - (7=8)r6c8 - (8=2) r6c5.
Thus all the three possibilities to break up the UR force r6c5=2, which completes the puzzle.
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Ted |
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arkietech
Joined: 31 Jul 2008 Posts: 1834 Location: Northwest Arkansas USA
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Posted: Fri Jul 10, 2009 2:33 am Post subject: |
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Ted,
Cool!
Nice find |
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