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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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 Posted: Tue Nov 23, 2010 12:48 pm Post subject: Revisited - Extreme Set C Puzzle 3 |
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| Code: | +-----------------------+
| . 8 5 | . . . | . 4 . |
| 6 . . | 5 . . | 3 . . |
| 7 . 1 | 4 . 8 | . 6 5 |
|-------+-------+-------|
| . 7 2 | 6 . 3 | . . 8 |
| . . . | . . . | . 7 . |
| . . 8 | 7 . . | 5 . . |
|-------+-------+-------|
| . 2 . | . . 6 | . 5 . |
| 8 . 6 | . 7 . | 1 9 . |
| . . 3 | 8 . . | . . . |
+-----------------------+
Posted 26th Nov 2008 |
http://www.dailysudoku.co.uk/sudoku/forums/viewtopic.php?t=2921
Reading the posted solutions it looks like this would have been a "BBDB Advanced" under Danny's later ratings system... |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Tue Nov 23, 2010 4:30 pm Post subject: |
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Reading some of these older posts it seems that m/w/s-wings were less commonly used by forum members - two wings do it here...
| Quote: | xyz-wing(14-9) r6c1 ; r4c1<>9
m-wing(49) ; (9=4)r5c3 - r5c7=(4-9)r6c7=r4c5 ; r5c4<>9, r5c6<>9 |
For what it's worth the second wing can be played as an 'almost' one-stepper... again not many 'almost' moves in 2008 
| Quote: | Almost m-wing(49) fin (9)r4c1
m-wing(49) ; (9=4)r5c3 - r5c7=(4-9)r6c7=r4c5 ; r5c4<>9
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(9)r4c1 - r7c1=r7c4 ; r5c4<>9 |
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