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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Thu Jul 07, 2011 11:09 pm Post subject: Puzzle 11/07/07: ~ Advanced |
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| Code: | +-----------------------+
| 3 . . | . 2 . | 5 . . |
| . . 5 | . 8 . | . 6 . |
| . 9 . | . 1 5 | 8 . 2 |
|-------+-------+-------|
| . . . | . 4 . | . 9 . |
| 9 7 4 | 1 3 . | 2 . 5 |
| . . 3 | . . 2 | . . . |
|-------+-------+-------|
| 8 . 2 | . 9 . | 4 3 . |
| . 3 . | 8 . . | 9 2 . |
| . . 9 | . 6 . | . . . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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JC Van Hay
Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
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| Posted: Fri Jul 08, 2011 7:24 am Post subject: |
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| Quote: | ER 1C8B1 => -1r6c1
XYZ Wing (-147)r9c12,r2c1 => -1r8c1 |
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susume
Joined: 13 May 2011
Posts: 36
Location: Southeastern US
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| Posted: Sat Jul 09, 2011 5:04 am Post subject: |
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| Code: | +---------------+----------+---------------+
| 3 14 8 | 6 2 79 | 5 147 1479 |
| 17 2 5 | 4 8 79 | 137 6 1379 |
| 467 9 67 | 3 1 5 | 8 47 2 |
+---------------+----------+---------------+
| 2 56 16 | 57 4 8 | 1367 9 137 |
| 9 7 4 | 1 3 6 | 2 8 5 |
| 156 8 3 | 9 57 2 | 167 147 147 |
+---------------+----------+---------------+
| 8 56 2 | 57 9 1 | 4 3 67 |
| 1567 3 167 | 8 57 4 | 9 2 167 |
| 147 14 9 | 2 6 3 | 17 5 8 |
+---------------+----------+---------------+ |
I hope this notation is right:
| Quote: | | anp (17=4)r29c1-(4=1)r9c2-(1)r1c2=(1)r2c1 => r68c1<>1 |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Sat Jul 09, 2011 6:18 am Post subject: |
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| susume wrote: | I hope this notation is right:
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I found it readable. Congratulations! |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Jul 09, 2011 12:54 pm Post subject: |
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It appears that I had a couple of unnecessary steps ...........
xy-wing (67-1) vertex r3c3; r6c1<>1
xyz-wing(147)r1c82|3c8; r1c9<>4
er(1); r6c1<>1
xyz-wing(147)r9c12|r2c1; r8c1<>1
Ted |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Jul 09, 2011 12:57 pm Post subject: |
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| susume wrote: | | Code: | +---------------+----------+---------------+
| 3 14 8 | 6 2 79 | 5 147 1479 |
| 17 2 5 | 4 8 79 | 137 6 1379 |
| 467 9 67 | 3 1 5 | 8 47 2 |
+---------------+----------+---------------+
| 2 56 16 | 57 4 8 | 1367 9 137 |
| 9 7 4 | 1 3 6 | 2 8 5 |
| 156 8 3 | 9 57 2 | 167 147 147 |
+---------------+----------+---------------+
| 8 56 2 | 57 9 1 | 4 3 67 |
| 1567 3 167 | 8 57 4 | 9 2 167 |
| 147 14 9 | 2 6 3 | 17 5 8 |
+---------------+----------+---------------+ |
I hope this notation is right:
| Quote: | | anp (17=4)r29c1-(4=1)r9c2-(1)r1c2=(1)r2c1 => r68c1<>1 |
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susume, great to see another contributor using an "almost" move. Your solution was clean and simple; mine was a four stepper.
Ted |
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dejsmith
Joined: 23 Oct 2005
Posts: 42
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| Posted: Sat Jul 09, 2011 5:55 pm Post subject: |
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Usually I am the guy who takes lots of extra steps; but this one seemed to fall apart quite easily for me.
1. UR 79 w/X Wing 9; r12c9<>7
2. W Wing 17 r2c1/r9c7 w/SL 1c2; r2c7<>7 & r9c1<>7
Dave |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Sat Jul 09, 2011 9:47 pm Post subject: |
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| I'm glad everyone had a nice time solving this puzzle. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Jul 11, 2011 1:20 am Post subject: |
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| Quote: | | 2. W Wing 17 r2c1/r9c7 w/SL 1c2; r2c7<>7 & r9c1<>7 |
Dave's W-Wing did it for me. |
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