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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Thu Oct 21, 2010 2:40 am Post subject: Puzzle 10/10/21: B XY |
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I've run out of (obvious) single-stepper puzzles. Let me know if the latest crop of puzzles prove unsatisfactory.
| Code: | +-----------------------+
| 6 . . | 1 . 9 | . . 2 |
| . 4 2 | 8 . . | . . 9 |
| . 9 . | . 7 2 | . . . |
|-------+-------+-------|
| 8 1 . | 5 . 7 | . . . |
| . . 5 | . . 1 | . . 4 |
| 2 . 6 | 9 8 4 | 1 . 3 |
|-------+-------+-------|
| . . . | . . 8 | 4 . . |
| . . . | . . . | . 2 . |
| 4 2 . | . 9 6 | . . 5 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Thu Oct 21, 2010 8:56 am Post subject: |
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Three steps...
| Quote: | skyscraper(1) r2, r9 ; r3c3<>1, r78c1<>1
xy-chain ; (1=8)r9c3 - (8=3)r9c7 - (3=5)r1c7 - (5=4)r1c5 - (4=1)r8c5 ; r8c3<>1
BUG+1 ; r2c7=5
There was a nice but extraneous m-wing(56) also
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Oct 21, 2010 2:15 pm Post subject: |
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As usual, a very interesting puzzle. I like the puzzles that require multiple steps; makes the fun last longer......
| Quote: | w-wing (18)r3c9|r9c3 SL (8)r8c39; r3c3<>1
xy-chain: (8=3)r9c7-(3=5)r1c7-(5=4)r1c5-(4=1)r8c5-(1=8)r8c3; r9c3<>8
BUG+1; r2c7=5 |
Ted |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Thu Oct 21, 2010 3:47 pm Post subject: |
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| tlanglet wrote: | I like the puzzles that require multiple steps; makes the fun last longer......
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Then you should love the stack of puzzles remaining in my inventory. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Oct 22, 2010 1:27 am Post subject: |
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ERs (3,1)
W-Wing (17)
BUG+1
I like multiple steps too. When I'm looking to spend 45 minutes and I'm done in 20, that makes me go through more puzzles. Regardless of number of steps, if I can finish a puzzle with legitimate steps, i.e., steps that I don't consider trial and error, then I'm happy.
Of course, that has its limits; I'm not that thrilled when I take eight steps while everyone else finished it in two. |
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