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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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 Posted: Thu May 10, 2012 10:46 pm Post subject: May 11 VH |
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After the Basics | Code: |
+------------+----------+------------+
| 24 28 248 | 7 5 1 | 39 6 39 |
| 6 9 3 | 2 8 4 | 1 5 7 |
| 1 7 5 | 9 6 3 | 8 2 4 |
+------------+----------+------------+
| 9 36 1 | 34 2 56 | 45 7 8 |
| 24 5 68 | 68 9 7 | 24 3 1 |
| 7 238 248 | 34 1 58 | 6 49 259 |
+------------+----------+------------+
| 3 126 7 | 168 4 68 | -259 8-9 259 |
| 8 4 9 | 5 3 2 | 7 1 6 |
| 5 126 26 | 168 7 9 | 234 48 23 |
+------------+----------+------------+
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Two steps for me : XYZ-Wing 234 with its Apex in r9c7; r7c7<>2 opens
an XY-Wing 59 45 49 pivoted in r4c7; r7c8<>9 which solves it. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri May 11, 2012 12:54 am Post subject: |
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| Same. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri May 11, 2012 3:40 am Post subject: |
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A short almost xy-wing does the deed.....
axy-wing(45-9)r4c7+r6c8/r7c7=(2)r7c7-r79c9=(2-9)r6c9=r6c8; r7c8<>9
Ted |
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