| View previous topic :: View next topic   | 
	
	
	
		| Author | 
		Message | 
	
	
		daj95376
 
 
  Joined: 23 Aug 2008 Posts: 3854
 
  | 
		
			
				 Posted: Mon Mar 01, 2010 6:48 pm    Post subject: Puzzle 10/03/01 (B) | 
				     | 
			 
			
				
  | 
			 
			
				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 |
 
 +-----------------------+
 
 | 	  
 
Play this puzzle online at the Daily Sudoku site | 
			 
		  | 
	
	
		| Back to top | 
		 | 
	
	
		  | 
	
	
		Marty R.
 
 
  Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
  | 
		
			
				 Posted: Tue Mar 02, 2010 5:28 am    Post subject:  | 
				     | 
			 
			
				
  | 
			 
			
				Two steps.
 
 
 	  | Quote: | 	 		  W-Wing (89)
 
XY-Wing (389) | 	 
  | 
			 
		  | 
	
	
		| Back to top | 
		 | 
	
	
		  | 
	
	
		tlanglet
 
 
  Joined: 17 Oct 2007 Posts: 2468 Location: Northern California Foothills
  | 
		
			
				 Posted: Tue Mar 02, 2010 2:53 pm    Post subject:  | 
				     | 
			 
			
				
  | 
			 
			
				Three steps.
 
 
 	  | Quote: | 	 		  xy-wing -279 with vertex in r2c1,
 
xyz-wing 389 in r3c7,
 
w-wing 89 in r2c8 and r5c7.
 
 | 	  
 
Ted | 
			 
		  | 
	
	
		| Back to top | 
		 | 
	
	
		  | 
	
	
		Marty R.
 
 
  Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
  | 
		
			
				 Posted: Tue Mar 02, 2010 10:23 pm    Post subject:  | 
				     | 
			 
			
				
  | 
			 
			
				| 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). | 
			 
		  | 
	
	
		| Back to top | 
		 | 
	
	
		  | 
	
	
		daj95376
 
 
  Joined: 23 Aug 2008 Posts: 3854
 
  | 
		
			
				 Posted: Fri Mar 05, 2010 6:50 pm    Post subject:  | 
				     | 
			 
			
				
  | 
			 
			
				 	  | 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
 
 | 	  
 
I don't recall which steps were necessary. | 
			 
		  | 
	
	
		| Back to top | 
		 | 
	
	
		  | 
	
	
		 |