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Mar 15 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Fri Mar 15, 2013 12:08 am    Post subject: Mar 15 VH Reply with quote

Code:

+---------+----------+---------+
| 2 3  1  | 5  9  7  | 8   6 4 |
| 9 8  7  | 4  6  3  | 5   1 2 |
| 5 6  4  | 2  1  8  | 3   9 7 |
+---------+----------+---------+
| 8 -17 6  | 3  5  14 | 47  2 9 |
| 3 17 29 | 19 47 26 | 467 5 8 |
| 4 5  29 | 89 78 26 | 67  3 1 |
+---------+----------+---------+
| 7 4  3  | 6  2  9  | 1   8 5 |
| 1 9  8  | 7  3  5  | 2   4 6 |
| 6 2  5  | 18 48 14 | 9   7 3 |
+---------+----------+---------+
XY-Wing 17-47-14 pivoted in r5c5; r4c2<>1 or
same pivoted in r4c6; r5c2<>7 solves it.
Also BUG+1; r5c7=7
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