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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Fri Oct 29, 2010 12:30 am Post subject: Puzzle 10/10/29: C XY |
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| Code: | +-----------------------+
| . . 6 | 4 . . | . . 3 |
| . 5 . | . . . | 1 8 . |
| 7 . 2 | 8 . 1 | 4 . 6 |
|-------+-------+-------|
| 3 . 1 | . . . | . 4 . |
| . . . | . 1 3 | 8 6 . |
| . . 8 | . 4 . | . . . |
|-------+-------+-------|
| . 8 3 | . 6 . | 2 7 4 |
| . 7 . | 3 8 . | 9 1 . |
| 2 . 5 | . . . | 6 . . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Fri Oct 29, 2010 6:17 am Post subject: |
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the above image shows a AUR on candidates {5,9} in r567c146
(2)r2c9 = (2)r2c4 - AUR59[(2)r5c4 = (67)r26c6] - (7)r1c6 = (7)r1c7; r2c9 <> 7 |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Fri Oct 29, 2010 7:56 am Post subject: |
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After the "B" puzzle I was in ALS mode, here's a neat HP move...
| Quote: | hp(67)r26c4=(6)r4c4 - (6=2)r4c2 - (2)r4c5=r1c5 ; r2c4<>2
You could interpret it as an s-wing(26) where the (6)sl is created by the HP... |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Oct 30, 2010 7:22 pm Post subject: |
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| Nice move Norm. I wish I could do better at spotting those things. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Mon Nov 08, 2010 2:41 pm Post subject: |
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A fun rambling solution.........
AUR(59)r13c58 external SIS r4c5=5,r6c8=5,r4c5=9; r3c8<>5
(5)r4c5-r4c7=(5)r1c7;
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(5)r6c8;
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(9)r1c6-(9=5)r3c5;
AUR(67)r26c46 external SIS r6c2=6,r2c9=7; r6c6<>6
AUR(67)[(6)r6c2=(7)r2c9]-(7=6)r2c5;
(2=9)r1c5-(9=2)r4c5-(2=6)r4c2-(6=2)r6c2-(2=5)r6c8-(5=7)r4c7-(7=5)r1c7-(5-2)r1c8..loop; r4c49<>2,r6c4<>2
xy-wing 2-59 vertex (29)r5c9; r6c1<>5
BUG+1; r6c4=5
Ted |
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