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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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 Posted: Thu Jul 07, 2011 5:31 pm Post subject: Free Press July 7, 2001 (Thursday) |
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More difficult than the usual Thursday fare.
| Code: | Puzzle: FP070711
+-------+-------+-------+
| . . 7 | . 6 . | 8 . . |
| 9 3 . | . . . | . 6 2 |
| . . . | 4 . . | . 7 . |
+-------+-------+-------+
| . . 3 | . 7 1 | . . 5 |
| . . . | 2 . 9 | . . . |
| 1 . . | 8 3 . | 2 . . |
+-------+-------+-------+
| . 4 . | . . 8 | . . . |
| 3 1 . | . . . | . 2 8 |
| . . 6 | . 2 . | 1 . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site
Keith
(Edited by Marty to correct puzzle date from June to July.) |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Jul 07, 2011 10:52 pm Post subject: |
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anp(25=4)r1c21-r2c3=r2c7-(4=9)r4c7-(9=2)r4c2*-(2=5)r1c2; r3c2*<>2, r1c468,c2c3,r3c123<>5
This step provides 8 deletions but does not complete the puzzle. However, again looking at the fin (4)r1c1 we note that in additions to the 8 deletions we also have : (4)r1c1-r2c3=r2c7-r4c7=(4)r4c1; => conflict: r1c1<>4 which completes the puzzle in one step.
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Jul 08, 2011 1:36 am Post subject: |
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| Skyscraper; r1c1, r56c3<>4. |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Fri Jul 08, 2011 2:44 am Post subject: |
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XYZ-wing, swordfish.
Keith |
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