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Puzzle NR_043

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854

PostPosted: Thu Jun 18, 2009 3:18 pm    Post subject: Puzzle NR_043 Reply with quote

Code:
 +-----------------------+
 | . . . | 5 7 4 | . . . |
 | . . . | . . . | . . 7 |
 | . . 9 | 8 3 . | . . . |
 |-------+-------+-------|
 | 1 . 7 | 4 . . | 9 . . |
 | 8 . 5 | . 9 2 | 3 7 . |
 | 3 . . | . 8 . | . 4 6 |
 |-------+-------+-------|
 | . . . | 3 1 . | . . . |
 | . . . | . 4 5 | . 1 . |
 | . 5 . | . . 7 | . . . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:
 r8  b7  Locked Candidate 1              <> 3    [r8c9]
 r8  b7  Locked Candidate 1              <> 8    [r8c79]
 r8      Naked  Pair                     <> 29   [r8c127]
 r8      Naked  Pair                     <> 67   [r8c23]
   c2    Naked  Pair                     <> 38   [r1c2]

         XY-Wing  [r8c1]/[r1c1]+[r7c2]   <> 2    [r79c1],[r13c2]

         XYZ-Wing [r7c7]/[r7c3]+[r8c7]   <> 6    [r7c8]

   c7b9  Locked Candidate 1              <> 6    [r12c7]
   c7    Naked  Triple                   <> 248  [r7c7]
     b3  Naked  Quad                     <> 2458 [r1c89],[r2c8]
   c7b3  Locked Candidate 1              <> 8    [r9c7]
 r9      Naked  Triple                   <> 249  [r9c89]
   c9    Naked  Quad                     <> 2389 [r37c9]

 r28c23  <38> UR Type 1                  <> 38   [r2c3]
 r78c17  <67> UR Type 1                  <> 67   [r7c1]


Last edited by daj95376 on Fri Jun 26, 2009 8:38 pm; edited 1 time in total
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Thu Jun 18, 2009 4:28 pm    Post subject: Reply with quote

I used:
Quote:
xy-wing 672
xyz-wing 476
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