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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Wed Jan 13, 2010 8:37 pm Post subject: Puzzle 10/01/13 (B) |
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Unrated.
| Code: | +-----------------------+
| 9 . . | . . . | 1 6 . |
| . . . | . . . | 4 9 3 |
| . . 1 | . . 6 | . . . |
|-------+-------+-------|
| . . . | 3 . . | . . . |
| . . . | . 9 5 | . 3 4 |
| . . 6 | . 7 4 | . 8 . |
|-------+-------+-------|
| 6 1 . | . . . | 3 7 . |
| 4 9 . | . 3 7 | 5 . . |
| . 7 . | . 6 . | . . 9 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Jan 14, 2010 11:20 pm Post subject: |
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ERs (7,5,8,8)
X (8)
W (28)
Simple coloring (2) |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Jan 14, 2010 11:45 pm Post subject: |
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A very fun puzzle 
My six moves, taking everyone as I found them, were:
a useless skyscraper with transport or a chain on 7: (7)r1c4 = (7)r1c9 - r4c9 = r4c1 - r5c3 = r2c3; r2c4<>7,
a chain on 8: (8)r3c7 = r13c9 - r7c9 = r9c7 - r9c1 = r78c3 - r5c3 = r5c2; r3c2<>8,
kite on 5 with pivot in box 8,
m-wing 28 deletes 2 in r2c5 plus transport deletes 2 in r2c3,
AIC found looking for a xy-wing: (7=8)r2c3 - r8c3 = r9c1 - (8-2)r9c7 - (2=7)r5c7; r5c3<>7,
Skyscraper 2 in r67c9.
Ted |
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