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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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 Posted: Sun Nov 06, 2016 10:46 pm Post subject: Nov 7 VH |
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| Code: |
+--------------+----------------+------------+
| 68 1 368 | 26 23568 358 | 7 9 4 |
| 7 2368 9 | 46 3468 1 | 28 38 5 |
| 4 238 5 | 9 38 7 | 128 138 6 |
+--------------+----------------+------------+
| 3 689 4 | 167 56789 589 | 156 2 78 |
| 568 689 1 | 3 456789 2 | 56 45 78 |
| 568 7 2 | 146 4568 458 | 9 145 3 |
+--------------+----------------+------------+
| 9 35 37 | 8 1 6 | 4 57 2 |
| 2 468 678 | 5 479 49 | 3 78 1 |
| 1 458 78 | 247 2347 34 | 58 6 9 |
+--------------+----------------+------------+
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XY-Wing 58-7 pivoted in r9c7; r7c3 <> 7 opens
XY-Wing 79-8 pivoted in r5c5; r4c9 <> 8; stte |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Nov 07, 2016 7:59 am Post subject: |
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| Same. Interesting puzzle with lots of basics left after the wings. |
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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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| Posted: Mon Nov 07, 2016 2:53 pm Post subject: Nov 7 VH |
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Second step also a 89 W-wing (78's C9) R5C5 = 7
Early Earl |
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George Woods
Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK
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| Posted: Mon Nov 07, 2016 4:11 pm Post subject: another first ove |
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| w wing 78 (boxes 7 and 9) operating on 7s in row 7 so that r9c7 <> 8..... and eventually to Clement's second XY wing |
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