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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Thu May 20, 2010 4:57 am Post subject: Puzzle 10/05/20: (A) VH+ |
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Posting early for Thursday because of commitments.
| Code: | +-----------------------+
| 7 . . | . 5 . | 6 . . |
| . 5 . | 7 . 6 | 8 4 . |
| . . 6 | . . . | . . . |
|-------+-------+-------|
| . 6 . | 4 . 3 | . . 8 |
| 8 . . | . 1 . | . . 3 |
| . 3 . | 6 . . | 4 . . |
|-------+-------+-------|
| 5 7 . | . . 2 | 1 3 . |
| . 2 . | . . . | 5 . 6 |
| . . . | 5 7 . | . 8 . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Thu May 20, 2010 10:25 am Post subject: Have I missed something ? |
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I may have messed up on basics but a colouring on 9s puts two of the same colour in col 9 r2c9 and r9c9 so both must be false leading to four eliminations and a solved puzzle. Hmm..probably an error on my part.
[Edit - install pic]
Last edited by Mogulmeister on Fri May 21, 2010 8:05 am; edited 2 times in total |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Thu May 20, 2010 3:44 pm Post subject: |
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I just checked and discovered that my last step circumvents the three earlier steps.  |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri May 21, 2010 2:19 am Post subject: |
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Mogulmeister, I think you may have been correct since I followed a similar bath for my second step to complete the puzzle.
Type 1 UR89 r78c34; r8c4=1
6-cell DP 89 in r378c346: r3c4=2 or r3c6=1 to prevent the deadly pattern.
(2)r3c4 = (1)r3c6 - r1c6 = r1c9 - (1=9)r2c9 - (9=2)r9c9 -r9c7 = r5c7 - r5c4 = (2)r4c5; r2c5<>2
Ted |
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