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Oct 1 VH

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sun Oct 01, 2017 4:30 pm    Post subject: Oct 1 VH Reply with quote
129xy wing @ R8C4, -9R6C4

Early Earl
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Sun Oct 01, 2017 6:06 pm    Post subject: Reply with quote
Hi everyone

Code:

+---------+--------------+-----------+
| 6  1  3 | 5   8    9   | 7 2   4   |
| 4  8  2 | 6   3    7   | 5 19  19  |
| 9  5  7 | 124 124  124 | 8 6   3   |
+---------+--------------+-----------+
| 35 27 6 | 8   1245 124 | 9 137 157 |
| 38 9  4 | 7   15   6   | 2 38  15  |
| 58 27 1 | 29  259  3   | 4 78  6   |
+---------+--------------+-----------+
| 27 3  8 | 249 6    24  | 1 5   79  |
| 12 6  9 | 12  7    5   | 3 4   8   |
| 17 4  5 | 3   19   8   | 6 79  2   |
+---------+--------------+-----------+

Play this puzzle online at the Daily Sudoku site

[(1)R3C4-(1=2)R8C4 and (1-4)R3C4=(4)R7C4-(4=2)R4C6]=>contraction two singles 2 in box 8=>-1R3C4=>stte.

Ciao a Tutti
Paolo
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Sun Oct 01, 2017 6:47 pm    Post subject: Reply with quote
Hi everyone,

Code:

+---------+--------------+-----------+
| 6  1  3 | 5   8    9   | 7 2   4   |
| 4  8  2 | 6   3    7   | 5 19  19  |
| 9  5  7 | 124 124  124 | 8 6   3   |
+---------+--------------+-----------+
| 35 27 6 | 8   1245 124 | 9 137 157 |
| 38 9  4 | 7   15   6   | 2 38  15  |
| 58 27 1 | 29  259  3   | 4 78  6   |
+---------+--------------+-----------+
| 27 3  8 | 249 6    24  | 1 5   79  |
| 12 6  9 | 12  7    5   | 3 4   8   |
| 17 4  5 | 3   19   8   | 6 79  2   |
+---------+--------------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing 1,2,9 in r68c4,r9c5 and -9 in r6c5,r7c4
or
XYZ-Wing 2,4,9 in r67c4,r7c6 and -2 in r8c4


Ciao Gianni
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