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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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 Posted: Mon Oct 21, 2013 10:11 pm Post subject: Oct 22 VH |
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| Code: |
+---------+----------+-----------+
| 9 3 5 | 7 2 46 | 16 14 8 |
| 7 8 2 | 3 1 46 | 569 49 59 |
| 1 4 6 | 8 5 9 | 7 2 3 |
+---------+----------+-----------+
| 4 1 9 | 2 6 5 | 8 3 7 |
| 5 2 8 | 4 7 3 | 1-9 6 *19 |
| 6 7 3 | 9 8 1 | 2 5 4 |
+---------+----------+-----------+
| 3 569 1 | 56 4 7 | *59 8 2 |
| 8 59 7 | 15 3 2 | 4 19 6 |
| 2 56 4 | 156 9 8 | 3 7 #15 |
+---------+----------+-----------+
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XY-Wing 59-15-19 pivoted in r9c9; r5c7<>9; stte.
Also W-Wing 59 with SL 9 in col 8; r2c7<>5. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Tue Oct 22, 2013 1:45 am Post subject: |
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| A BUG+3 will work as well. |
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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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| Posted: Tue Oct 22, 2013 10:03 am Post subject: Oct 22 VH |
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Clement's 159 XY wing is a 'double'. The 159 XY wing (pivot r8c8 - making
r2c8=4) also works in one while the other 2(!) 159 XY wings don't do the
trick.
A record number of XY wings using the same numbers? Probably not,
but it made a simplish VH more interesting.
Hugh |
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