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		| daj95376 
 
 
 Joined: 23 Aug 2008
 Posts: 3854
 
 
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				|  Posted: Mon Mar 01, 2010 6:48 pm    Post subject: Puzzle 10/03/01 (B) |   |  
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				| Probably difficult as VH+. 
 
  	  | Code: |  	  | +-----------------------+ | . . . | . . . | 1 . . |
 | . 5 . | 1 . 3 | 4 . . |
 | . . . | 6 4 7 | . . . |
 |-------+-------+-------|
 | . 9 7 | 2 . 1 | 5 4 . |
 | . . 5 | . . . | . . . |
 | . 3 4 | 9 . 5 | . 7 . |
 |-------+-------+-------|
 | 6 4 . | 7 . . | 2 . . |
 | . . . | 5 . 6 | . . . |
 | . . . | . . . | . . 1 |
 +-----------------------+
 
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 Play this puzzle online at the Daily Sudoku site
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		| Marty R. 
 
 
 Joined: 12 Feb 2006
 Posts: 5770
 Location: Rochester, NY, USA
 
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				|  Posted: Tue Mar 02, 2010 5:28 am    Post subject: |   |  
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				| Two steps. 
 
  	  | Quote: |  	  | W-Wing (89) XY-Wing (389)
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		| tlanglet 
 
 
 Joined: 17 Oct 2007
 Posts: 2468
 Location: Northern California Foothills
 
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				|  Posted: Tue Mar 02, 2010 2:53 pm    Post subject: |   |  
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				| Three steps. 
 
  	  | Quote: |  	  | xy-wing -279 with vertex in r2c1, xyz-wing 389 in r3c7,
 w-wing 89 in r2c8 and r5c7.
 
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 Ted
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		| Marty R. 
 
 
 Joined: 12 Feb 2006
 Posts: 5770
 Location: Rochester, NY, USA
 
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				|  Posted: Tue Mar 02, 2010 10:23 pm    Post subject: |   |  
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				| Thanks to Ted I redid it and found I needed three steps. I don't think I did it differently, I think the first time I failed to include in my notes that my 1st step was an XY-Wing (279). |  | 
	
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		| daj95376 
 
 
 Joined: 23 Aug 2008
 Posts: 3854
 
 
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				|  Posted: Fri Mar 05, 2010 6:50 pm    Post subject: |   |  
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				|  	  | Code: |  	  | <27+9>  XY-Wing  r1c2/r1c6+r2c1         <> 9    r1c3,r2c5 <79+2>  XY-Wing  r2c1/r1c2+r2c5         <> 2    r1c6,r2c3
 
 r1c1    2-String Kite                   <> 3    r8c8
 
 c18\r28 finned  X-Wing                  <> 9    r2c3
 
 <38+9>  XYZ-Wing r3c7/r2c8+r3c1         <> 9    r3c9
 
 <58+9>  XY-Wing  r3c9/r2c8+r7c9         <> 9    r8c8
 <59+8>  XY-Wing  r7c9/r3c9+r8c8         <> 8    r2c8
 
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 I don't recall which steps were necessary.
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