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Oct 27 VH

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ZeroAssoluto

Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy

Posted: Tue Oct 27, 2020 9:24 am Post subject: Oct 27 VH

Hi everyone,

first step

Code:

+---------------+----------+--------------+
| 7 5 26 | 4 39 8 | 1269 369 123 |
| 9 8 1 | 6 37 2 | 4 357 35 |
| 46 246 3 | 5 79 1 | 2679 679 8 |
+---------------+----------+--------------+
| 356 9 568 | 2 4 36 | 58 1 7 |
| 2 34 45 | 8 1 7 | 59 39 6 |
| 1 7 68 | 9 5 36 | 28 4 23 |
+---------------+----------+--------------+
| 8 126 2567 | 17 26 9 | 3 567 4 |
| 56 126 9 | 3 26 4 | 1567 8 15 |
| 346 1346 467 | 17 8 5 | 167 2 9 |
+---------------+----------+--------------+

Play this puzzle online at the Daily Sudoku site

W-Wing 5,6 in r7c8,r8c1 SL with number 6 in r78c5 and -5 in r7c3,r8c9

second step

Code:

+------------+----------+-----------+
| 7 5 26 | 4 39 8 | 1 369 23 |
| 9 8 1 | 6 37 2 | 4 37 5 |
| 46 246 3 | 5 79 1 | 29 679 8 |
+------------+----------+-----------+
| 36 9 58 | 2 4 36 | 58 1 7 |
| 2 34 45 | 8 1 7 | 59 39 6 |
| 1 7 68 | 9 5 36 | 28 4 23 |
+------------+----------+-----------+
| 8 126 267 | 17 26 9 | 3 5 4 |
| 5 26 9 | 3 26 4 | 7 8 1 |
| 34 134 47 | 17 8 5 | 6 2 9 |
+------------+----------+-----------+

Play this puzzle online at the Daily Sudoku site

W-Wing 3,4 in r5c2,r9c1 SL with number 4 in r3c12 and -3 in r4c1,r9c2

Ciao Gianni

dongrave

Joined: 06 Mar 2014
Posts: 568

Posted: Tue Oct 27, 2020 11:32 am Post subject:

I used 2 VH moves. After basics:

Code:

+---------------+----------+--------------+
| 7 5 26 | 4 39 8 | 1269 369 123 |
| 9 8 1 | 6 37 2 | 4 357 35 |
| 46 246 3 | 5 79 1 | 269 679 8 |
+---------------+----------+--------------+
| 356 9 568 | 2 4 36 | 58 1 7 |
| 2 34 45 | 8 1 7 | 59 39 6 |
| 1 7 68 | 9 5 36 | 28 4 23 |
+---------------+----------+--------------+
| 8 126 2567 | 17 26 9 | 3 56 4 |
| 56 126 9 | 3 26 4 | 7 8 15 |
| 346 1346 467 | 17 8 5 | 16 2 9 |
+---------------+----------+--------------+

Step 1: 15-6 XY Wing with pivot at r8c9 (-6r9c123)

Code:

+---------------+----------+--------------+
| 7 5 26 | 4 39 8 | 1 369 23 |
| 9 8 1 | 6 37 2 | 4 37 5 |
| 46 246 3 | 5 79 1 | 29 679 8 |
+---------------+----------+--------------+
| 36 9 58 | 2 4 36 | 58 1 7 |
| 2 34 45 | 8 1 7 | 59 39 6 |
| 1 7 68 | 9 5 36 | 28 4 23 |
+---------------+----------+--------------+
| 8 126 267 | 17 26 9 | 3 5 4 |
| 5 26 9 | 3 26 4 | 7 8 1 |
| 34 134 47 | 17 8 5 | 6 2 9 |
+---------------+----------+--------------+

Step 2: 36-4 XY Wing with pivot at r4c1 (-4r3c2).

Earl

Joined: 30 May 2007
Posts: 677
Location: Victoria, KS

Posted: Tue Oct 27, 2020 8:40 pm Post subject: Oct 27 VH

Second move can also be: 26UR (R78,C25), R7C2=1 Early Earl

immpy

Joined: 06 May 2017
Posts: 571

Posted: Sat Oct 31, 2020 4:02 pm Post subject:

Nice two-stepper for a change.

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