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Dec 13 VH

 
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ZeroAssoluto



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

PostPosted: Tue Dec 13, 2022 9:48 am    Post subject: Dec 13 VH Reply with quote

Hi everyone,

Code:

+----------+-----------+-------+
| 34  5 9  | 6   13 14 | 8 2 7 |
| 38  1 6  | 38  7  2  | 5 4 9 |
| 48  2 7  | 48  9  5  | 1 3 6 |
+----------+-----------+-------+
| 12  9 8  | 5   12 3  | 6 7 4 |
| 7   6 12 | 29  4  19 | 3 5 8 |
| 5   4 3  | 7   6  8  | 9 1 2 |
+----------+-----------+-------+
| 29  3 5  | 249 8  49 | 7 6 1 |
| 6   8 4  | 1   5  7  | 2 9 3 |
| 129 7 12 | 239 23 6  | 4 8 5 |
+----------+-----------+-------+

Play this puzzle online at the Daily Sudoku site

Quote:
Remote Pair 1,2 in r4c5,r4c1,r5c3,r9c3 and -2 in r9c5
XYZ-Wing 2,3,9 in r59c4,r9c5 and -2 in r7c4
XYZ-Wing 2,4,9 in r57c4,r7c6 and -9 in r9c4
Skyscraper with number 2 in r59c3,r49c5 and -2 in r4c1,r5c4
Skyscraper with number 2 in r5c34,r7c14 and -2 in r4c1,r9c3
Skyscraper with number 2 in r4c15,r7c14 and -2 in r5c4,r9c5
2 String Kite with number 2 in r49c5,r7c14 and -2 in r4c1
2 String Kite with number 2 in r59c3,r7c14 and -2 in r5c4
2 String Kite with number 2 in r49c5,r5c34 and -2 in r9c3
2 String Kite with number 2 in r4c15,r59c3 and -2 in r9c5
W-Wing 1,2 in r4c1,r9c3 SL with number 2 in r49c5 and -1 in r5c3,r9c1
W-Wing 2,9 in r5c4,r7c1 SL with number 9 in r9c14 and -2 in r7c4
W-Wing 2,9 in r5c4,r7c1 SL with number 9 in r57c6 and -2 in r7c4
W-Wing 1,2 in r4c5,r9c3 SL with number 1 in r5c36 and -2 in r9c5
W-Wing 1,2 in r4c5,r9c3 SL with number 1 in r49c1 and -2 in r9c5
W-Wing 1,2 in r4c5,r9c3 SL with number 1 in r4c1,r5c3 and -2 in r9c5
Finned X-Wing with number 2 in r59c34 finned in r7c4 and -2 in r9c5
Finned X-Wing with number 2 in r49c15 finned in r7c1 and -2 in r9c3


Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 349
Location: Wales

PostPosted: Tue Dec 13, 2022 11:45 am    Post subject: Another way Reply with quote

Remove <2> from r7c4 and r9c13 to solve
Code:

+--------------+----------------+---------+
|  34   5   9  |  6    d13  c14 | 8  2  7 |
|  38   1   6  |  38    7    2  | 5  4  9 |
|  48   2   7  |  48    9    5  | 1  3  6 |
+--------------+----------------+---------+
|  12   9   8  |  5     12   3  | 6  7  4 |
|  7    6   12 |  29    4    19 | 3  5  8 |
|  5    4   3  |  7     6    8  | 9  1  2 |
+--------------+----------------+---------+
| a29   3   5  | x249   8   b49 | 7  6  1 |
|  6    8   4  |  1     5    7  | 2  9  3 |
| x129  7  x12 |  239  e23   6  | 4  8  5 |
+--------------+----------------+---------+

Quote:
XY chain abcde gives pincers of <2> in a + e to remove <2> from x
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