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dongrave
Joined: 06 Mar 2014
Posts: 568
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 Posted: Wed Sep 02, 2020 11:10 am Post subject: Sep 01 VH |
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| Code: | +--------------+-------------+---------------+
| 4 1278 128 | 9 17 3 | 168 5 1267 |
| 9 17 6 | 2 5 8 | 4 37 137 |
| 5 3 128 | 6 17 4 | 189 2789 1279 |
+--------------+-------------+---------------+
| 8 9 5 | 4 26 1 | 7 23 236 |
| 26 4 3 | 8 269 7 | 5 1 269 |
| 126 12 7 | 3 269 5 | 69 4 8 |
+--------------+-------------+---------------+
| 12 5 128 | 7 38 9 | 138 6 4 |
| 3 18 9 | 5 4 6 | 2 78 17 |
| 7 6 4 | 1 38 2 | 389 89 5 |
+--------------+-------------+---------------+
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It took me 3 VH steps. The 1 X Wing in rows 2 and 8 (-1r1c29, -1r3c9, and -1r6c2), the 137 XYZ Wing with pivot at r2c9 (-7r13c9), and then finally the 78-1 XY Wing with pivot at r1c2 (-1r3c5) (or for the 3rd step the 18-7 X Wing with pivot at r1c7 (-7r2c2) ). The 1st steps 2 can be performed in either order. I also noticed a couple different XY Wings depending on the order of the 1st 2 steps performed but it didn't look like it would save any steps. |
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