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hughwill
Joined: 05 Apr 2010
Posts: 422
Location: Birmingham UK
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 Posted: Fri Dec 19, 2014 3:01 pm Post subject: Dec 19 VH |
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| Code: |
+--------------+-------------+--------------+
| 9 56 147 | 367 8 35 | 347 2 1347 |
| 17 26 8 | 2367 29 4 | 379 5 1379 |
| 47 25 3 | 27 1 59 | 479 8 6 |
+--------------+-------------+--------------+
| 257 39 257 | 1 6 39 | 8 4 27 |
| 2348 389 24 | 5 249 7 | 6 1 239 |
| 2347 1 6 | 23 249 8 | 5 379 2379 |
+--------------+-------------+--------------+
| 6 38 9 | 48 5 1 | 2 37 3478 |
| 2358 4 25 | 9 7 26 | 1 36 38 |
| 128 7 12 | 2468 3 26 | 49 69 5 |
+--------------+-------------+--------------+
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Play this puzzle online at the Daily Sudoku site
259 XY-Wing pivot r3c6 does it. (Where is everyone today??) |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Dec 20, 2014 1:54 am Post subject: |
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| I'm here. I played the same move, but the grid shown doesn't have the 2 in r3c6. |
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dongrave
Joined: 06 Mar 2014
Posts: 564
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| Posted: Sat Dec 20, 2014 2:29 am Post subject: |
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| Hi guys, I'm here too! I just don't bother chiming in if my solution has already been posted (and I had the same solution as Hugh). Hey Marty, I didn't have a 2 in r3c6 either - because of the naked 2-6 pair in c6 but you don't need one there anyway because the XY wing consists of the 2-5 in r3c2, the 5-9 in r3c6, and the 2-9 in r2c5 which eliminates the 2 from r2c2 which solves it. (I'm sure you already knew that.) |
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