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Clement
Joined: 24 Apr 2006 Posts: 1111 Location: Dar es Salaam Tanzania
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Posted: Sun Oct 30, 2016 12:57 pm Post subject: Daily Sudoku for 29/10/2016-Diabolical |
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Code: |
+-------+-------+-------+
| . 7 . | 6 . . | . 3 . |
| . 9 . | . 2 . | 8 5 . |
| . . 5 | . . . | . 1 6 |
+-------+-------+-------+
| . . . | 8 . 4 | 5 . . |
| . . . | . . . | . . . |
| . . 1 | 5 . 7 | . . . |
+-------+-------+-------+
| 3 8 . | . . . | 2 . . |
| . 2 9 | . 5 . | . 7 . |
| . 1 . | . . 6 | . 4 . |
+-------+-------+-------+
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JC Van Hay
Joined: 13 Jun 2010 Posts: 494 Location: Charleroi, Belgium
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Posted: Sun Oct 30, 2016 1:58 pm Post subject: |
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The 2 solutions of B79, R89, C8 -> r3c2=3; stte
Proof :
Code: | +------------------+-------------------+-------------------+
| 14 7 8 | 6 149 5 | 49 3 2 |
| 146 9 4-3(6) | 1347 2 (13) | 8 5 47 |
| 2 34 5 | 3479 34789 389 | 479 1 6 |
+------------------+-------------------+-------------------+
| 79 36 2 | 8 1369 4 | 5 69 1379 |
| 79 5 34 | 139 1369 2 | 1467 8 13479 |
| 8 346 1 | 5 369 7 | 46 2 349 |
+------------------+-------------------+-------------------+
| 3 8 4(6) | 1479 1479 (19) | 2 (69) 5 |
| 46 2 9 | 34 5 38 | 16 7 18 |
| 5 1 7 | 2 89 6 | 3 4 89 |
+------------------+-------------------+-------------------+
| [6r2c3=6r7c3-(6=9)r7c8-(9=1)r7c6-(1=3)r2c6]-3r2c3=3r3c2; stte |
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Clement
Joined: 24 Apr 2006 Posts: 1111 Location: Dar es Salaam Tanzania
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Posted: Sun Oct 30, 2016 4:34 pm Post subject: Daily Sudoku for 29/10/2016-Diabolical |
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Or as XY Chain
(3=1)r2c6 - (1=9)r7c6 - (9=6)r7c8 - (6=4)r7c3 - (4=3)r5c6 => - 3 r2c3;stte |
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