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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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 Posted: Thu Nov 03, 2011 12:34 pm Post subject: vh 110311 |
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| Code: | *-----------*
|..5|...|.7.|
|4..|237|...|
|...|..4|6.9|
|---+---+---|
|...|...|9..|
|2..|719|..4|
|..3|...|...|
|---+---+---|
|9.2|3..|...|
|...|846|..2|
|.4.|...|3..|
*-----------* |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Nov 03, 2011 4:46 pm Post subject: |
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| XY-Wing (185); r79c5<>5. |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Thu Nov 03, 2011 5:42 pm Post subject: |
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| Code: | *-----------------------------------------------------------*
| 18 2 5 | 69 69 *18 | 4 7 3 |
| 4 6 9 | 2 3 7 | 158 158 158 |
| 1378 1378 178 | 15 *a58 4 | 6 2 9 |
|-------------------+-------------------+-------------------|
| 1578 1578 4 | 56 2 3 | 9 1568 1578 |
| 2 58 6 | 7 1 9 | 58 3 4 |
| 157 9 3 | 4 b568 c58 | 2 156 157 |
|-------------------+-------------------+-------------------|
| 9 1578 2 | 3 7-5 *d15 | 1578 4 6 |
| 1357 1357 17 | 8 4 6 | 157 9 2 |
| 6 4 178 | 159 579 2 | 3 158 158 |
*-----------------------------------------------------------*
m wing?
(5=8)r3c5-(8)r6c5=(8-5)r6c6=(5)r7c6 => r79c5<>5 |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Nov 03, 2011 6:39 pm Post subject: |
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Yes, that's a classic M-Wing. My initial solution was an M-Wing (on 15), but then I noticed the XY-Wing and when there are alternative moves, I usually call it by the less advanced one. |
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