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Dec 13 VH

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ZeroAssoluto

Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy

Posted: Tue Dec 13, 2022 9:48 am Post subject: Dec 13 VH

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

TomC

Joined: 30 Oct 2020
Posts: 359
Location: Wales

Posted: Tue Dec 13, 2022 11:45 am Post subject: Another way

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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