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Mar 25 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 943
Location: Rimini, Italy
PostPosted: Wed Mar 25, 2020 9:08 am    Post subject: Mar 25 VH Reply with quote
Hi everyone,

Code:

+--------------+--------------+--------------+
| 8   59  579  | 3  2    6    | 4   1    57  |
| 45  1   3    | 78 4789 4579 | 2   578  6   |
| 6   245 2457 | 1  478  457  | 357 3578 9   |
+--------------+--------------+--------------+
| 145 7   245  | 24 3    8    | 6   9    125 |
| 345 245 6    | 9  47   1    | 8   357  257 |
| 139 8   29   | 6  5    27   | 37  4    127 |
+--------------+--------------+--------------+
| 2   359 59   | 78 789  379  | 1   6    4   |
| 7   34  1    | 5  6    34   | 9   2    8   |
| 49  6   8    | 24 1    249  | 57  57   3   |
+--------------+--------------+--------------+

Play this puzzle online at the Daily Sudoku site

one step with
AIC in r6c3
r6c3=9 and -9 in r6c1,r7c3
r6c3=2 r9c6=2 r9c1=9 and -9 in r6c1,r7c3

or in 3 steps
XY-Wing 4,5,9 in r1c2,r29c1 and -9 in r7c2

Code:

+--------------+--------------+--------------+
| 8   9   57   | 3  2    6    | 4   1    57  |
| 45  1   3    | 78 4789 4579 | 2   578  6   |
| 6   245 2457 | 1  478  457  | 357 3578 9   |
+--------------+--------------+--------------+
| 145 7   245  | 24 3    8    | 6   9    125 |
| 345 245 6    | 9  47   1    | 8   357  257 |
| 139 8   29   | 6  5    27   | 37  4    127 |
+--------------+--------------+--------------+
| 2   35  59   | 78 789  379  | 1   6    4   |
| 7   34  1    | 5  6    34   | 9   2    8   |
| 49  6   8    | 24 1    249  | 57  57   3   |
+--------------+--------------+--------------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 4,5,9 in r29c1,r7c3 and -5 in r13c3

Code:

+-------------+-----------+---------+
| 8   9   7   | 3  2  6   | 4 1 5   |
| 45  1   3   | 7  49 459 | 2 8 6   |
| 6   245 24  | 1  8  45  | 7 3 9   |
+-------------+-----------+---------+
| 145 7   245 | 24 3  8   | 6 9 12  |
| 3   24  6   | 9  47 1   | 8 5 27  |
| 19  8   29  | 6  5  27  | 3 4 127 |
+-------------+-----------+---------+
| 2   35  59  | 8  79 379 | 1 6 4   |
| 7   34  1   | 5  6  34  | 9 2 8   |
| 49  6   8   | 24 1  249 | 5 7 3   |
+-------------+-----------+---------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 2,4,7 in r5c25,r6c6 and -2 in r6c3

Ciao Gianni
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