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Aug 29 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
PostPosted: Fri Aug 29, 2025 9:44 am    Post subject: Aug 29 VH Reply with quote
Hi everyone,

Code:

+-----------+------------+------------+
| 19 19  7  | 35  8  2   | 6   4   35 |
| 2  3   5  | 6   4  7   | 9   8   1  |
| 4  6   8  | 9   15 135 | 35  2   7  |
+-----------+------------+------------+
| 15 145 6  | 8   3  9   | 45  7   2  |
| 3  45  9  | 7   2  45  | 1   6   8  |
| 7  8   2  | 15  6  145 | 345 35  9  |
+-----------+------------+------------+
| 8  2   13 | 135 9  6   | 7   135 4  |
| 6  7   13 | 4   15 8   | 2   9   35 |
| 59 59  4  | 2   7  13  | 8   13  6  |
+-----------+------------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:

XY-Wing 3/5/1 in r8c59,r9c8 = r9c6<>1
or
XY-Wing 1/5/3 in r8c59,r9c6 = r9c8<>3
or
Skyscraper 5 in r1c9,r3c5 (connected by r8c59) = r1c4,r3c7<>5
or
Skyscraper 5 in r1c4,r8c5 (connected by r18c9) = r3c5,r7c4<>5
or
Skyscraper 5 in r1c9,r7c8 (connected by r17c4) = r8c9<>5
or
W-Wing 3/5 in r3c7,r8c9 connected by 5 in r38c5 = r1c9<>3
or
W-Wing 3/5 in r1c4,r8c9 connected by 5 in r7c48 = r1c9<>3
or
W-Wing 3/5 in r1c4,r8c9 connected by 5 in r38c5 = r1c9<>3
or
W-Wing 3/5 in r1c4,r8c9 connected by 5 in r7c4,r8c5 = r1c9<>3
or
W-Wing 3/1 in r7c3,r9c6 connected by 1 in r8c35 = r7c4<>3
or
W-Wing 3/1 in r7c3,r9c6 connected by 1 in r79c8 = r7c4<>3
or
W-Wing 1/3 in r7c3,r9c8 connected by 3 in r8c39 = r7c8<>1
or
W-Wing 1/3 in r7c3,r9c8 connected by 3 in r7c4,r9c6 = r7c8<>1


Ciao Gianni
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storm_norm22



Joined: 24 Oct 2020
Posts: 21
PostPosted: Wed Sep 03, 2025 2:35 pm    Post subject: Reply with quote



very appealing visual on the cells containing 159. if all 6 cells contained ONLY 159, you would not have a unique puzzle. you can place the 4 in r4c2 (or eliminate the 1 and 5 from that cell)
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