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Feb 14 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Wed Feb 13, 2013 10:51 pm    Post subject: Feb 14 VH Reply with quote
Code:

+---------+-------------+------------+
| 3  4-6 1 | 47   9   57 | 8   2  567 |
| #46 5  8 | 1347 *134 2  | 169 69 167 |
| 2  7  9 | 6    15  8  | 4   3  15  |
+---------+-------------+------------+
| 1  8  4 | 37   35  57 | 69  69 2   |
| 5  9  6 | 8    2   4  | 7   1  3   |
| 7  3  2 | 9    6   1  | 5   4  8   |
+---------+-------------+------------+
| 9  1  5 | 2    7   6  | 3   8  4   |
| 8  #46 3 | 5    *14  9  | 2   7  16  |
| 46 2  7 | 14   8   3  | 16  5  9   |
+---------+-------------+------------+
Type 1 UR 69 in r24c78; r2c7=1 solves it.
Also W-Wing 46 with SL 4 in col 5; r1c2<>6.
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Feb 14, 2013 6:03 am    Post subject: Reply with quote
Limiting myself to standard VH moves, I needed two:

X-Wing on 1 in r38; r2c5<>1 exposes
XY-Wing on 47-3 pivoted in r1c4; r4c5<>3
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