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Bonus VH for 101017

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immpy

Joined: 06 May 2017
Posts: 571

Posted: Tue Oct 10, 2017 12:03 pm Post subject: Bonus VH for 101017

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This is to compliment arkietech's fine daily puzzle. Enjoy...

Code:

+-------+-------+-------+
| . . 7 | 8 . 5 | . 6 . |
| . . . | . . . | . . 4 |
| 3 . . | . . . | 5 8 7 |
+-------+-------+-------+
| 2 7 . | 3 . . | . . . |
| . . 9 | 1 2 6 | 8 . . |
| . . . | . . 4 | . 2 9 |
+-------+-------+-------+
| 7 9 5 | . . . | . . 8 |
| 6 . . | . . . | . . . |
| . 4 . | 5 . 7 | 6 . . |
+-------+-------+-------+

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ZeroAssoluto

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

Posted: Tue Oct 10, 2017 12:33 pm Post subject:

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Hi everyone,

Code:

+----------------+-------------+------------+
| 19 12 7 | 8 4 5 | 239 6 23 |
| 589 2568 268 | 26 7 3 | 29 1 4 |
| 3 26 4 | 269 16 129 | 5 8 7 |
+----------------+-------------+------------+
| 2 7 18 | 3 589 89 | 14 45 6 |
| 4 35 9 | 1 2 6 | 8 7 35 |
| 158 13568 1368 | 7 58 4 | 13 2 9 |
+----------------+-------------+------------+
| 7 9 5 | 246 16 12 | 24 3 8 |
| 6 1238 1238 | 249 389 289 | 7 45 125 |
| 18 4 1238 | 5 38 7 | 6 9 12 |
+----------------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

first step

Quote:

XYZ-Wing 1,5,8 in r4c3,r6c15 and -8 in r6c23

Code:

+---------------+-------------+------------+
| 19 12 7 | 8 4 5 | 239 6 23 |
| 589 2568 268 | 26 7 3 | 29 1 4 |
| 3 26 4 | 269 16 129 | 5 8 7 |
+---------------+-------------+------------+
| 2 7 18 | 3 589 89 | 14 45 6 |
| 4 35 9 | 1 2 6 | 8 7 35 |
| 158 1356 136 | 7 58 4 | 13 2 9 |
+---------------+-------------+------------+
| 7 9 5 | 246 16 12 | 24 3 8 |
| 6 1238 1238 | 249 389 289 | 7 45 125 |
| 18 4 1238 | 5 38 7 | 6 9 12 |
+---------------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

and

Quote:

XY-Chain r9c1 -1- r9c9 -2- r7c7 -4- r4c7 -1- r4c3 and -8 in r6c1,r89c3

Ciao Gianni

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JC Van Hay

Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium

Posted: Tue Oct 10, 2017 12:48 pm Post subject:

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B6 -> 1 unique solution :

Code:

+--------------------+---------------+------------------+
| 19 12 7 | 8 4 5 | 239 6 23 |
| 589 2568 268 | 26 7 3 | 29 1 4 |
| 3 26 4 | 269 16 129 | 5 8 7 |
+--------------------+---------------+------------------+
| 2 7 18 | 3 589 89 | 14 45 6 |
| 4 3(5) 9 | 1 2 6 | 8 7 (35) |
| (158) 13568 1368 | 7 58 4 | (13) 2 9 |
+--------------------+---------------+------------------+
| 7 9 5 | 246 16 12 | 24 3 8 |
| 6 1238 1238 | 249 389 289 | 7 45 2-5(1) |
| (18) 4 1238 | 5 38 7 | 6 9 2(1) |
+--------------------+---------------+------------------+

[1r8c9=1r9c9-(1=8)r9c1-8r6c1=XYWing(135)r6c17.r5c9-5r5c2=5r5c9]-5r8c9; stte

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Ajò Dimonios

Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

Posted: Tue Oct 10, 2017 2:24 pm Post subject:

Hi everyone [(3)R1C7-(3=2)R1C9-(2)R9C9; (3-9)R1C7=(9-1)R1C1 and (3)R1C7-(3)R1C9=(3-5)R5C9=(5-4)R4C8=(4-1)R4C7=(1)R6C7-(1)R6C1=(1)R9C1-(1)R9C9]=>contradiction R9C9=Ø=>-3R1C7=>stte. Ciao a Tutti Paolo

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