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dongrave
Joined: 06 Mar 2014
Posts: 568
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 Posted: Sun Aug 09, 2020 11:27 am Post subject: Aug 09 VH |
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| Code: |
+-------------+---------------+-------------+
| 5 7 8 | 19 169 3 | 469 149 2 |
| 1 2 3 | 789 4 678 | 689 5 67 |
| 9 6 4 | 5 178 2 | 3 18 17 |
+-------------+---------------+-------------+
| 4 1 27 | 3 278 78 | 5 6 9 |
| 3 9 5 | 4 16 16 | 2 7 8 |
| 6 8 27 | 79 2579 57 | 1 3 4 |
+-------------+---------------+-------------+
| 7 5 16 | 2 18 9 | 468 148 3 |
| 2 4 16 | 178 3 1578 | 689 189 156 |
| 8 3 9 | 6 15 4 | 7 2 15 |
+-------------+---------------+-------------+
I used the 169 XYZ Wing with pivot at r1c5 (-1r3c5) followed by the 678 XYZ Wing with pivot at r2c6 (-7r2c4) followed by the 89-7 XY Wing with pivot at r2c4 (-7r46c5) to solve it.
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 943
Location: Rimini, Italy
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| Posted: Sun Aug 09, 2020 1:07 pm Post subject: |
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Hi everyone,
UR 2,7 in r46c35 and -7 in r46c5
Ciao Gianni |
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immpy
Joined: 06 May 2017
Posts: 571
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| Posted: Mon Aug 10, 2020 8:50 pm Post subject: |
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Yes, very nice, Gianni. That's a Type 4 UR (Uniqueness Test).
cheers...immp |
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