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Dec 18 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Wed Dec 18, 2019 10:04 am    Post subject: Dec 18 VH Reply with quote

Hi everyone,

Code:

+-----------+--------+-----------+
| 2 167 167 | 3 8 46 | 14 9  5   |
| 5 36  9   | 1 7 46 | 2  48 348 |
| 8 4   13  | 9 2 5  | 13 6  7   |
+-----------+--------+-----------+
| 3 16  16  | 7 4 2  | 8  5  9   |
| 7 9   5   | 8 1 3  | 6  24 24  |
| 4 8   2   | 6 5 9  | 7  3  1   |
+-----------+--------+-----------+
| 6 5   38  | 2 9 7  | 34 1  348 |
| 1 37  4   | 5 6 8  | 9  27 23  |
| 9 2   78  | 4 3 1  | 5  78 6   |
+-----------+--------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:
X-Wing with number 3 in r28c29 and -3 in r7c9
and
XY-Wing 2,3,4 in r58c9,r7c7 and -4 in r7c9
or in 1 step
AIC in r1c7
if r1c7=1 -1 in r1c23,r3c7
if r1c7=4 r7c9=4 r2c9=8 r2c2=3 r3c3=1 and -1 in r1c23,r3c7


Ciao Gianni
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