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Aug 27 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Sat Aug 27, 2022 9:49 am    Post subject: Aug 27 VH Reply with quote

Hi everyone,

Code:

+-------+------------+---------+
| 7 6 2 | 8   5  9   | 1  4 3  |
| 8 5 3 | 1   46 246 | 9  7 26 |
| 1 9 4 | 27  3  267 | 26 5 8  |
+-------+------------+---------+
| 4 1 6 | 3   7  5   | 8  2 9  |
| 5 8 7 | 29  69 26  | 4  3 1  |
| 3 2 9 | 4   1  8   | 7  6 5  |
+-------+------------+---------+
| 6 3 1 | 579 49 47  | 25 8 27 |
| 2 7 5 | 6   8  1   | 3  9 4  |
| 9 4 8 | 57  2  3   | 56 1 67 |
+-------+------------+---------+

Play this puzzle online at the Daily Sudoku site

Quote:
XYZ-Wing
2,4,6 in r2c56,r5c6 and -6 in r3c6
2,6,7 in r3c46,r5c6 and -2 in r2c6
or W-Wing
2,6 in r2c9,r5c6 SL with number 6 in r3c67 and -2 in r2c6
2,6 in r2c9,r5c6 SL with number 6 in r25c5 and -2 in r2c6
2,6 in r3c7,r5c6 SL with number 2 in r2c69 and -6 in r3c6
2,6 in r3c7,r5c6 SL with number 2 in r35c4 and -6 in r3c6


Ciao Gianni
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glesco



Joined: 12 May 2022
Posts: 35

PostPosted: Mon Aug 29, 2022 9:20 pm    Post subject: Reply with quote

I developed a chain which removes 4s from r2c6,r3c6 & r7c5. Starting from r2c5 to r2c9 to r7c7 then r7c6
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