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Clement
Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania
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 Posted: Wed Jan 27, 2016 10:53 pm Post subject: Jan 28 VH |
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| Code: |
+----------+-------+------------+
| 3 5 9 | 1 2 6 | 47 47 8 |
| 7 4 1 | 5 8 9 | 2 6 3 |
| 8 2 6 | 4 7 3 | 1 9 5 |
+----------+-------+------------+
| 9 17 27 | 6 4 8 | 5 3 127 |
| 14 3 5 | 2 9 7 | 6 8 14 |
| 24 6 8 | 3 1 5 | 47 247 9 |
+----------+-------+------------+
| 12 17 3 | 8 6 4 | 9 5 27 |
| 5 9 4 | 7 3 2 | 8 1 6 |
| 6 8 27 | 9 5 1 | 3 247 247 |
+----------+-------+------------+
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Finned x-wing on 2 in r49, (fin r9c8); r7c9 <> 2; stte
W-Wing [27]r4c3, r7c9 with SL 7 in col 2; r4c9<>2;stte
Also UR47 r16c78; r6c8 <> 47; stte |
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hughwill
Joined: 05 Apr 2010
Posts: 422
Location: Birmingham UK
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| Posted: Thu Jan 28, 2016 4:01 pm Post subject: |
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In Clement's diagram the 7 can be removed from r4c9 by box-line
reduction. This leaves a classic 27-1 (or 17-2) XY-Wing pivot r4c9 (or
r7c9) which does it in one.
Also there's a second 27 W-wing r7c9 and r9c3 on 2s in r4 removing
7s in r9c89 stte.
For so few possibles, not bad!
Hugh |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Jan 29, 2016 12:34 am Post subject: |
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| Also a BUG+3 which I haven't tested. ( |
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