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ZeroAssoluto
Joined: 05 Feb 2017 Posts: 933 Location: Rimini, Italy
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Posted: Sun Sep 03, 2023 8:50 am Post subject: Sep 03 VH |
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Hi everyone,
Code: |
+------------+---------+-------------+
| 9 3 2 | 7 6 1 | 5 8 4 |
| 17 5 17 | 4 9 8 | 2 3 6 |
| 46 8 46 | 35 2 35 | 9 7 1 |
+------------+---------+-------------+
| 347 49 8 | 35 1 2 | 6 45 79 |
| 2 6 17 | 9 8 45 | 47 145 3 |
| 134 149 5 | 6 7 34 | 48 124 289 |
+------------+---------+-------------+
| 5 2 46 | 1 3 67 | 478 9 78 |
| 146 14 9 | 8 5 67 | 3 24 27 |
| 8 7 3 | 2 4 9 | 1 6 5 |
+------------+---------+-------------+
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Play this puzzle online at the Daily Sudoku site
first step
XY-Wing 4,7,9 in r4c29,r5c7 and -4 in r4c8
Code: |
+-----------+--------+----------+
| 9 3 2 | 7 6 1 | 5 8 4 |
| 17 5 17 | 4 9 8 | 2 3 6 |
| 46 8 46 | 5 2 3 | 9 7 1 |
+-----------+--------+----------+
| 47 49 8 | 3 1 2 | 6 5 79 |
| 2 6 17 | 9 8 5 | 47 14 3 |
| 3 19 5 | 6 7 4 | 8 12 29 |
+-----------+--------+----------+
| 5 2 46 | 1 3 67 | 47 9 78 |
| 146 14 9 | 8 5 67 | 3 24 27 |
| 8 7 3 | 2 4 9 | 1 6 5 |
+-----------+--------+----------+
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Play this puzzle online at the Daily Sudoku site
second step
XY-Wing 1,2,4 in r68c8,r8c2 and -1 in r6c2
or in only one step
AIC in r4c2
if r4c2 = 4 -4 in r4c8,r8c2
if r4c2 = 9 r4c9 = 7 r8c9 = 2 r8c8 = 4 and -4 in r4c8,r8c2
Ciao Gianni |
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immpy
Joined: 06 May 2017 Posts: 571
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Posted: Sun Sep 03, 2023 3:57 pm Post subject: |
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Can also use a BUG+1 for the second step. r8c1=4
cheers...immp |
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