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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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 Posted: Fri Sep 30, 2016 5:45 am Post subject: Sep 30 VH |
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| Code: |
+-----------+---------------+----------+
| 8 37 9 | 357 357 2 | 1 6 4 |
| 4 6 13 | 9 8 13 | 2 5 7 |
| 2 17 5 | 47 147 6 | 3 8 9 |
+-----------+---------------+----------+
| 9 235 7 | 6 1235 135 | 8 4 235 |
| 1 4 23 | 2357 2357 8 | 6 9 235 |
| 35 8 6 | 2345 2345 9 | 7 1 235 |
+-----------+---------------+----------+
| 6 23 4 | 8 9 37 | 5 27 1 |
| 7 125 12 | 25 6 4 | 9 3 8 |
| 35 9 8 | 1 235 357 | 4 27 6 |
+-----------+---------------+----------+
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Play this puzzle online at the Daily Sudoku site
| Quote: | | XYZ-Wing (235), hinged in r9c5=> -5r9c6(interestingly enough there's another XYZ-Wing hinged in r9c6) |
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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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| Posted: Fri Sep 30, 2016 10:10 am Post subject: |
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Another one where the possibly more obvious XY-wing (12-3 pivot r7c2)
makes an elimination but leads nowhere. Also interesting: the two XYZ wings
make different eliminations but lead to the same puzzle-busting solved cell
(r4c6=5).
Hugh |
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