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mtharp
Joined: 19 Jun 2006
Posts: 30
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 Posted: Fri Jul 07, 2006 11:46 pm Post subject: April 24 very hard |
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For the April 24 puzzle I have reached:
4 26 27 9 56 156 15678 3 5678
5 1 79 8 4 3 679 67 2
69 8 3 7 2 156 1569 4 56
1 23 28 5 9 4 3678 67 678
7 9 6 2 3 8 4 5 1
38 4 5 6 1 7 38 2 9
36 367 4 1 567 9 2 8 567
2 67 1 4 8 56 567 9 3
89 5 89 3 67 2 67 1 4
Anybody have any suggestions?
Mike Tharp |
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David Bryant
Joined: 29 Jul 2005
Posts: 559
Location: Denver, Colorado
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| Posted: Sat Jul 08, 2006 12:05 am Post subject: Row on block interaction |
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Hi, Mike! Welcome to the forum.
-- The only way a "6" can fit in row 2 is if it goes in the top right 3x3 box (that is, at r2c7 or r2c8). So you can eliminate "6" from r1c7, r1c9, r3c7, and r3c9.
That should get you going. dcb  |
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mtharp
Joined: 19 Jun 2006
Posts: 30
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| Posted: Sat Jul 08, 2006 3:04 am Post subject: thanks |
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Thanks. It broke it wide open. I do not know why I did not see it.
Mike Tharp |
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