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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Thu Sep 02, 2010 3:33 am Post subject: Puzzle 10/09/02: B |
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| Code: | +-----------------------+
| 9 . 5 | 3 . . | 2 . 4 |
| . 2 4 | . 5 . | . . . |
| 3 7 . | 2 . 4 | 8 5 . |
|-------+-------+-------|
| 7 . 6 | . . . | . 4 . |
| . 5 . | . 3 . | . . . |
| . . 3 | . . 7 | . . 5 |
|-------+-------+-------|
| 5 . 7 | . . . | 4 . 1 |
| . . 2 | 7 . . | . 3 . |
| 1 . . | . . 6 | 5 . 2 |
+-----------------------+
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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: Thu Sep 02, 2010 11:45 am Post subject: |
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| Quote: | Grouped Skyscraper or FX Wing (8)C35 : => r5c46<>8
X Wing (6)R17/c28 : r2568c28<>6
M Wing (16) : 6R2 6R1 1R1 : (6)r2c4=(1)r1c6 : => r2c4<>1 |
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JC Van Hay
Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
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| Posted: Thu Sep 02, 2010 6:09 pm Post subject: |
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Some more details ...
Very interesting puzzle to study single digit exclusions :
X Wing (6)R17/c28 : r2568c28<>6
Grouped Skyscraper or FX Wing (8)C35 : => r5c46<>8 -> r2c4<>8
3-SIS X Chain or Turbot Fish : (8)C3B89 : => r5c9<>8
Kite (9)R3C6 : => r5c9<>9
Empty Rectangle (9)B8C3 : => r5c4<>9
3-SIS X Chain or Turbot Fish : (9)B8C3C6 => r2c4<>9 => XY Wing (18-6), pivot at R1C6 : => r2c1<>6
Finned Mutant Starfish (9)C36B389/r2579c9 + fin r8c7 : r5c7<>9 Note : the Turbot Fish on 9 with the following XY Wing (18-6) solve the puzzle.
Last edited by JC Van Hay on Thu Sep 02, 2010 10:47 pm; edited 1 time in total |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Sep 02, 2010 10:26 pm Post subject: |
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Several steps just looking around for fun moves......................
ANP(89=1)r5c36-(1=8)r1c6-r1c2=r2c1: r5c1<>8
ANP(89=1-9)r5c36=r2c6-r2c8=(9)r3c9; r5c9<>9
ANP(89=1)r5c36-(1=8)r1c6-(8=6)r1c2-r7c2=(6-8)r7c8=(8)r8c9; r5c9<>8
Double m-wing 89 or double w-wing 89 involving five cells: (89)r5c3,(89)r9c3, (489)r9c45 & (89)r7c4; r5c4<>89
x-wing 6 r17c28; r8c2,r256c8<>6
xyz-wing (189)r2c6; r2c4<>1
ANP(69=8)r38c9-(8=6)r7c8-r1c8=(6)r3c9; r5c9<>6
Extended m-wing (8)r5c3=(8)r9c3-(8=6)r8c1-r8c9=(6-8)r7c8=(8)r6c8; r6c2<>8
Ted |
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