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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
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 Posted: Fri Jul 21, 2023 7:25 am Post subject: Jul 21 VH |
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Hi everyone,
| Code: |
+------------+---------+-------------+
| 134 49 6 | 5 8 34 | 7 29 12 |
| 348 7 39 | 1 2 34 | 6 5 89 |
| 18 2 5 | 6 7 9 | 18 3 4 |
+------------+---------+-------------+
| 5 1 89 | 3 4 6 | 2 7 89 |
| 2 49 389 | 7 5 1 | 348 69 36 |
| 34 6 7 | 8 9 2 | 34 1 5 |
+------------+---------+-------------+
| 9 5 4 | 2 36 7 | 13 8 136 |
| 67 3 2 | 9 1 8 | 5 4 67 |
| 67 8 1 | 4 36 5 | 9 26 2367 |
+------------+---------+-------------+
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Play this puzzle online at the Daily Sudoku site
| Quote: | 3 steps
XY-Wing 3,4,9 in r1c2,r2c36 and -4 in r1c6,r2c1
and
W-Wing 3,6 in r5c9,r7c5 SL with number 3 in r9c59 and -6 in r7c9
and
UR 6,7 in r89c19 and r9c9=2
or in only one step
XY-Chain
r2c3-9-r2c9-8-r3c7-1-r7c7-3-r6c7-4-r6c1 and -3 in r12c1,r5c3 |
Ciao Gianni |
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TomC
Joined: 30 Oct 2020
Posts: 358
Location: Wales
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| Posted: Fri Jul 21, 2023 1:19 pm Post subject: |
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| Using VH moves this can be solved with an X wing on <9> -9 in r5c3 followed by <348> XYZ wing -3 in r5c9 |
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