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ZeroAssoluto
Joined: 05 Feb 2017 Posts: 872 Location: Rimini, Italy
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Posted: Mon Oct 30, 2023 9:51 am Post subject: Oct 30 VH |
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Hi everyone,
Code: |
+------------+---------+--------+
| 3 8 4 | 7 9 2 | 5 6 1 |
| 9 7 56 | 56 4 1 | 8 2 3 |
| 16 156 2 | 3 56 8 | 9 4 7 |
+------------+---------+--------+
| 18 4 59 | 15 2 3 | 6 7 89 |
| 28 56 7 | 4 56 9 | 3 1 28 |
| 126 169 3 | 16 8 7 | 4 5 29 |
+------------+---------+--------+
| 5 2 8 | 9 1 4 | 7 3 6 |
| 7 69 69 | 2 3 5 | 1 8 4 |
| 4 3 1 | 8 7 6 | 2 9 5 |
+------------+---------+--------+
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Play this puzzle online at the Daily Sudoku site
Quote: |
XY-Wing 5,6,9 in r4c3,r58c2 and -9 in r6c2,r8c3
or
XY-Wing 5,6,9 in r48c3,r5c2 and -6 in r8c2
or
Skyscraper with number 6 in r2c4,r3c1 SL in r6c14 and -6 in r2c3,r3c5
or
Skyscraper with number 6 in r5c5,r6c1 SL in r3c15 and -6 in r5c2,r6c4
or
W-Wing 5,6 in r2c3,r5c2 SL with number 6 in r8c23 and -5 in r3c2,r4c3
or
W-Wing 5,6 in r2c3,r5c2 SL with number 6 in r36c1 and -5 in r3c2,r4c3
or
W-Wing 5,6 in r3c5,r5c2 SL with number 6 in r36c1 and -5 in r3c2,r5c5
or
W-Wing 1,6 in r3c1,r6c4 SL with number 1 in r4c14 and -6 in r6c1
or
W-Wing 1,6 in r3c1,r6c4 SL with number 1 in r36c2 and -6 in r6c1
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Ciao Gianni |
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TomC
Joined: 30 Oct 2020 Posts: 349 Location: Wales
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Posted: Mon Oct 30, 2023 6:23 pm Post subject: |
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Remove <1> from r6c2 to solve
Code: |
+---------------+---------+---------+
| 3 8 4 | 7 9 2 | 5 6 1 |
| 9 7 56 | 56 4 1 | 8 2 3 |
| 16 156 2 | 3 56 8 | 9 4 7 |
+---------------+---------+---------+
| a18 4 c59 | 15 2 3 | 6 7 b89 |
| 28 56 7 | 4 56 9 | 3 1 28 |
| 126 x169 3 | 16 8 7 | 4 5 29 |
+---------------+---------+---------+
| 5 2 8 | 9 1 4 | 7 3 6 |
| 7 69 69 | 2 3 5 | 1 8 4 |
| 4 3 1 | 8 7 6 | 2 9 5 |
+---------------+---------+---------+
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Quote: | If x=1, a=8, b=9, c=5 leads to no <9> in box 4
or another way of looking at it
If x=1, a=8, x<>9, c=9 leads to nothing in b
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