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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sun Mar 14, 2010 3:39 pm Post subject: Puzzle 10/03/14 Advanced |
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| Code: | +-----------------------+
| 5 . 2 | . 3 6 | . . . |
| . . . | 7 1 . | 5 . . |
| 4 . . | . . 5 | 2 . 3 |
|-------+-------+-------|
| . 4 . | . 5 . | . . . |
| 9 2 . | 6 . 8 | . . 5 |
| 3 . 5 | . 9 . | . . . |
|-------+-------+-------|
| . 3 6 | . . . | 1 . . |
| . . . | . . . | . 6 . |
| . . 9 | . 6 . | . . 7 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Tue Mar 16, 2010 1:01 am Post subject: |
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One of my typical assorted moves, probably not all necessary.
| Quote: | Hidden UR (27), used twice
Remote Pairs (17)
M-Wing (17)
Skyscraper (4)
XY-Wing (385)
M-Wing (79) |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Tue Mar 16, 2010 6:34 pm Post subject: |
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We get to a point after basics when there is an X wing on 1s that looks tempting but a better option
exists which might appeal to Keith as it is multi colouring.
Apologies for the presentation but look at the 4's.
For arguments sake I have taken conjugate pairs and used green and orange for the different polarities.
As you can see there are 2 orange ones in the same "house" that is Row 7. These must be false and so by inference must ALL the orange ones - these are eliminated.
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