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Jul 17 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Sun Jul 17, 2022 8:49 am    Post subject: Jul 17 VH Reply with quote
Hi everyone,

Code:

+------------+----------+----------+
| 17  57  9  | 25 4  12 | 36 36 8  |
| 13  6   2  | 7  35 8  | 4  9  15 |
| 134 45  8  | 6  9  13 | 7  2  15 |
+------------+----------+----------+
| 479 479 47 | 3  6  5  | 8  1  2  |
| 6   8   3  | 1  2  4  | 9  5  7  |
| 5   2   1  | 8  7  9  | 36 4  36 |
+------------+----------+----------+
| 2   3   6  | 9  1  7  | 5  8  4  |
| 79  1   5  | 4  8  6  | 2  37 39 |
| 8   479 47 | 25 35 23 | 1  67 69 |
+------------+----------+----------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing
1,3,5 in r2c59,r3c6 and -1 in r3c9
1,3,5 in r2c5,r3c69 and -5 in r2c9
W-Wing 1,3 in r2c1,r3c6 SL with number 1 in r1c16 and -3 in r2c5,r3c1


Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 358
Location: Wales
PostPosted: Sun Jul 17, 2022 9:55 am    Post subject: Reply with quote
Pincers for <1> in a+d gives -1 in r1c1

Code:

+---------------+--------------+----------+
| -17   57   9  | c25  4   d12 | 36 36 8  |
| a13   6    2  |  7  b35   8  | 4  9  15 |
|  134  45   8  |  6   9    13 | 7  2  15 |
+---------------+--------------+----------+
|  479  479  47 |  3   6    5  | 8  1  2  |
|  6    8    3  |  1   2    4  | 9  5  7  |
|  5    2    1  |  8   7    9  | 36 4  36 |
+---------------+--------------+----------+
|  2    3    6  |  9   1    7  | 5  8  4  |
|  79   1    5  |  4   8    6  | 2  37 39 |
|  8    479  47 |  25  35   23 | 1  67 69 |
+---------------+--------------+----------+
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TomC



Joined: 30 Oct 2020
Posts: 358
Location: Wales
PostPosted: Mon Jul 18, 2022 11:43 am    Post subject: Reply with quote
W-Wing 1,3 in r2c1,r3c6 SL with number 1 in r1c16 (or r23c9) and -3 in r2c5,r3c1

Which I see as -3 in r2c5,r3c1 as then no <1> in row 1 or box 3
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