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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Mon Jul 19, 2010 4:01 am Post subject: Puzzle 10/07/19: Advanced |
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Basics are again part of the puzzle.
| Code: | +-----------------------+
| 5 . . | . . . | 4 8 . |
| . 4 . | . . . | . 7 9 |
| . . 3 | . . 7 | 6 . . |
|-------+-------+-------|
| . . . | 2 . . | . 9 4 |
| . . . | . 8 . | . . . |
| . . 9 | . . 5 | . 3 8 |
|-------+-------+-------|
| 9 . 7 | . . . | . . . |
| 3 1 . | 8 . 4 | . 5 7 |
| . 5 . | 7 . 9 | . 6 3 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Mon Jul 19, 2010 1:55 pm Post subject: |
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Fun.............
| Quote: | | ANP(6=12)r1c39-(12=136)r145c6-(136=2)r7c6-(2=6)r8c5-r8c3=r7c2-r46c2=(6)r46c1; r2c1<>6 |
Ted |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Mon Jul 19, 2010 5:47 pm Post subject: |
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I tried to solve this only using "advanced" steps but stuggled - some colouring, and xyz-wing.. I guess I am missing a DP move!! Anyway I resorted to a two step with a simple xy-chain...
| Quote: | x-wing(2) r17c69; r1c3<>2, r7c257<>2
xy-chain (6=1)r1c3 - (1=2)r1c9 - (2=1)r7c9 - (1=8)r7c7 - (8=6)r7c2; r8c3<>6 |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Mon Jul 19, 2010 6:17 pm Post subject: |
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| Ted Wrote wrote: | ANP(6=12)r1c39-(12=136)r145c6-(136=2)r7c6-(2=6)r8c5-r8c3=r7c2-r46c2=(6)r46c1; r2c1<>6
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Nice one Ted..did you notice that:
ANP(6=12)r1c39 solves the puzzle (but check out basics that follow!).
The converse ANP(12=6)r1c38-r8c3; R8c3 solves puzzle. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Mon Jul 19, 2010 8:02 pm Post subject: |
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| Mogulmeister wrote: | | Ted Wrote wrote: | ANP(6=12)r1c39-(12=136)r145c6-(136=2)r7c6-(2=6)r8c5-r8c3=r7c2-r46c2=(6)r46c1; r2c1<>6
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Nice one Ted..did you notice that:
ANP(6=12)r1c39 solves the puzzle (but check out basics that follow!).
The converse ANP(12=6)r1c38-r8c3; R8c3 solves puzzle. |
MM, I initially tried ANP(12=6) but did not find a solution so I tried ANP(6=12) and found the solution I posted. As I was preparing the post, I realized the the last part of the chain also worked for the converse but choose to post the long form anyway. Why take a short path when a long, more messy path is funner.
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Tue Jul 20, 2010 1:16 am Post subject: |
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W-Wing (26), utilizes both numbers
XY-Wing (162), flightless with transport of each pincer; r8c5<>2 |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Tue Jul 20, 2010 9:33 am Post subject: |
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| tlanglet wrote: | | Mogulmeister wrote: | | Ted Wrote wrote: | ANP(6=12)r1c39-(12=136)r145c6-(136=2)r7c6-(2=6)r8c5-r8c3=r7c2-r46c2=(6)r46c1; r2c1<>6
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Nice one Ted..did you notice that:
ANP(6=12)r1c39 solves the puzzle (but check out basics that follow!).
The converse ANP(12=6)r1c38-r8c3; R8c3 solves puzzle. |
MM, I initially tried ANP(12=6) but did not find a solution so I tried ANP(6=12) and found the solution I posted. As I was preparing the post, I realized the the last part of the chain also worked for the converse but choose to post the long form anyway. Why take a short path when a long, more messy path is funner.
Ted |
Amen to that brother! |
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