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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Fri Jul 30, 2010 4:55 am Post subject: Puzzle 10/07/30: B |
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| Code: | +-----------------------+
| 6 . . | 9 . . | 4 . 8 |
| . . . | . . . | . . 7 |
| . . 5 | . . 7 | 3 . 2 |
|-------+-------+-------|
| 4 . . | 5 . . | 2 7 9 |
| . . . | . . . | . . 4 |
| . . 9 | . . 2 | 1 . . |
|-------+-------+-------|
| 2 . 7 | 8 . 6 | . . . |
| . . . | 7 . . | . . 1 |
| 1 4 8 | 2 3 . | . 9 . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri Jul 30, 2010 3:28 pm Post subject: |
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AXY-wing 1-38 vertex (18)r3c2, pincers (38)r2c1 & (13)r4c2 with fin (68)r4c2
If xy-wing is true: r2c2,r45c1<>3
If fin is true: (68)r4c25-(8)r4c6=r2c6-(8=3)r2c1; r2c2,r45c1<>3
Notice that Pincer (38)r2c1 and the fin have r2c1=3, thus (3)r2c1-r2c46=(3)r1c6; r4c6<>3
Type 6 UR (78)r56c15 with x-wing 7 overlay; r5c1,r6c5<>7
Flightless xy-wing 13-8 vertex (13)r5c4 plus transport: (8)r5c8-r5c12=r46c2-r23c2=(8)r2c1; r2c6<>8
Ted |
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