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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Wed Feb 08, 2017 6:57 am Post subject: Feb 8 VH |
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345 xy wing @R4C4; -4 R9C6
also
14 unique rectangle (R1,3C1,4); R1C4 = 3
Early Earl |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 871
Location: Rimini, Italy
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| Posted: Wed Feb 08, 2017 8:11 am Post subject: |
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Hi everyone,
other options:
Remote Pair 3,5 in r2c6, r2c7, r5c7, r5c5 and r1c5=1 r4c6=4
or
XY Chain r1c8, r6c8, r4c8, r4c6, r9c6, r2c6 and r1c5-5 r2c7=3
Ciao
Gianni |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Wed Feb 08, 2017 12:47 pm Post subject: |
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| Code: |
+--------+------------+---------+
| 14 2 6 | 134 135 9 | 7 35 8 |
| 8 7 9 | 6 2 35 | 35 4 1 |
| 14 3 5 | 14 8 7 | 6 9 2 |
+--------+------------+---------+
| 6 8 3 | 7 145 45 | 2 15 9 |
| 9 1 7 | 8 35 2 | 35 6 4 |
| 5 4 2 | 13 9 6 | 8 13 7 |
+--------+------------+---------+
| 3 9 4 | 5 7 8 | 1 2 6 |
| 2 5 8 | 9 6 1 | 4 7 3 |
| 7 6 1 | 2 34 34 | 9 8 5 |
+--------+------------+---------+
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Play this puzzle online at the Daily Sudoku site
Grids like this typically have multiple solutions. In addition to those already noted, there are at least two W-Wings, BUG+3 and probably more chains. |
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