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Feb 21 VH

 
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Tue Feb 21, 2017 5:49 am    Post subject: Feb 21 VH Reply with quote
Code:

+--------+---------+-----------+
| 4  5 9 | 1  6 3  | 278 28 27 |
| 3  6 2 | 4  7 8  | 9   1  5  |
| 7  8 1 | 5  9 2  | 6   4  3  |
+--------+---------+-----------+
| 5  3 4 | 68 1 7  | 28  9  26 |
| 9  2 7 | 68 3 4  | 5   68 1  |
| 8  1 6 | 2  5 9  | 3   7  4  |
+--------+---------+-----------+
| 16 7 8 | 3  4 5  | 12  26 9  |
| 2  4 3 | 9  8 16 | 17  5  67 |
| 16 9 5 | 7  2 16 | 4   3  8  |
+--------+---------+-----------+

Play this puzzle online at the Daily Sudoku site
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
PostPosted: Tue Feb 21, 2017 8:17 am    Post subject: Reply with quote
Hi everyone,
another scheme with more solutions

Ciao
Gianni

Quote:
W-Wing 2,8 r1c8, r4c7 connected by 2 in r7c78 and r1c7-8, r5c8-8; XY-Wing r1c8, r5c8, r4c9 and r1c9=7; BUG+1 r1c7=2; XY-Chain r4c4 6,8 r4c7 8,2 r4c9 2,6 r8c9 6,7 r1c9 7,2 r1c8 2,8 r5c8 8,6 and r5c4=8, r4c9=2.
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