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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sun Aug 29, 2010 4:40 pm Post subject: Puzzle 10/08/29: B |
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| Code: | +-----------------------+
| 9 6 . | 5 . . | . . . |
| 8 5 . | . . . | . . 2 |
| . . . | 1 8 . | . . . |
|-------+-------+-------|
| 7 9 3 | 4 . . | . 6 . |
| . . 6 | . 9 . | . . . |
| . . 2 | 3 . . | 8 . . |
|-------+-------+-------|
| 2 . . | . . 9 | 1 . . |
| . . . | 6 . . | . 3 . |
| . 7 . | . . . | . . 9 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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JC Van Hay
Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
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| Posted: Mon Aug 30, 2010 8:35 am Post subject: |
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| Quote: | Not optimized 4 steps ...
X Wing (2)C48/r59 : => r59c67<>2
4 and 5-SIS AIC : 5B3 (57)R7C8 7C4 [7B6 and 2B5 1R4] : (5)r3c9=[(7)r6c9 and (1)r4c9] : => r3c9<>7 and r4c9<>5
4-SIS AIC : 2B9 2C4 (25)R4C5 5R8 : (2)r8c7=(5)r8c6 : => r8c6<>2
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JC Van Hay
Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
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| Posted: Mon Aug 30, 2010 11:33 am Post subject: |
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| Quote: | Optimized proof ...
X Wing (2)C48/r59 : => r59c67<>2
Kite (7)C4R8 : => r5c7<>7
M Wing (27) : (27)R1C5 7C7 2C7 or Remote Pair (27) : (27)R1C5 7C7 7B8 (72)R5C4 : => r4c5<>2 |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Aug 30, 2010 3:43 pm Post subject: |
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Type 1 UR (14)
XY-Wing (257)
M-Wing (25), flightless with pincer transport
W-Wing (27) |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Tue Aug 31, 2010 12:25 am Post subject: |
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I promised myself that I would not look at ADPs.
| Quote: | x-wing (2)r59c48; r5c67,r9c7<>2
xy-wing 2-57 vertex (27)r8c7; r5c8,r9c7<>5
w-wing (27) r1c5 & r8c7 SL (2)r18c6; r1c7,r8c5<>7 |
Ted |
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