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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
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 Posted: Sat Sep 06, 2025 4:22 pm Post subject: Sep 06 VH |
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Hi,
| Code: |
+------------+---------------+----------+
| 8 2 9 | 4 7 6 | 1 3 5 |
| 5 3 4 | 8 1 29 | 279 6 79 |
| 7 1 6 | 235 2359 2359 | 29 8 4 |
+------------+---------------+----------+
| 4 7 23 | 9 6 235 | 58 1 38 |
| 239 5 8 | 1 234 234 | 6 7 39 |
| 369 69 1 | 35 8 7 | 59 4 2 |
+------------+---------------+----------+
| 1 68 5 | 67 49 49 | 3 2 78 |
| 69 469 23 | 67 23 8 | 47 5 1 |
| 23 48 7 | 235 235 1 | 48 9 6 |
+------------+---------------+----------+
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Play this puzzle online at the Daily Sudoku site
| Quote: |
XY-Wing 5/9/3 in r5c9,r6c47 = r5c56<>3
and
Pair 2,4 in r5c56 = r4c6,r5c1<>2
or in only one step
AIC in r2c6
if r2c6= 9 = r2c79,r3c56<>9
if r2c6=2 r4c3=2 r8c5=2 r3c4=2 r3c7=9 = r2c79,r3c56<>9
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Ciao Gianni |
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storm_norm22
Joined: 24 Oct 2020
Posts: 21
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| Posted: Wed Sep 10, 2025 12:32 pm Post subject: |
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from the grid posted by ZeroAssoluto,
you can elimiate the 2 in r5c5 by way of the 2's in this simple chain
r4c6 = r4c3 - r8c3 = r8c5... the puzzle then dissolves |
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