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Set T_03 Puzzle 63 -- VH+

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat Apr 11, 2009 8:23 am    Post subject: Set T_03 Puzzle 63 -- VH+ Reply with quote
Code:
 +-----------------------+
 | 5 6 . | 8 . . | . . . |
 | 9 . . | . 5 4 | . . . |
 | . . 2 | . . 3 | . . . |
 |-------+-------+-------|
 | 8 . . | 3 . 2 | . 9 5 |
 | . 9 . | . 7 . | 2 . . |
 | . 4 3 | 6 . . | . . 8 |
 |-------+-------+-------|
 | . . . | . 8 . | . . 9 |
 | . . . | 5 . . | . 8 . |
 | . . . | 7 . 9 | 6 . . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:
 r2      Naked  Pair                     <> 78   [r2c89]
 r9      Naked  Pair                     <> 34   [r9c389]
   c7b9  Locked Candidate 2              <> 3    [r7c8],[r8c9]

     b7  Naked  Quad                     <> 1258 [r7c3]

         UR Type 1 [r89c15]              <> 34   [r8c1]          extraneous

         turbot fish/ER  c3b9            <> 4    [r1c9]

   c9    Naked  Quad                     <> 1236 [r38c9]

 r3      Naked  Pair                     <> 47   [r3c78]

   c39   X-Wing                          <> 1    [r1c8],[r9c28]

   c38   X-Wing                          <> 4    [r7c1]

         XY-Wing  [r3c2]/[r3c8]+[r9c2]   <> 5    [r9c8]          sufficient
         XY-Wing  [r9c8]/[r3c8]+[r9c9]   <> 1    [r1c9],[r7c8]


Last edited by daj95376 on Sat Apr 18, 2009 3:27 pm; edited 1 time in total
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Wed Apr 15, 2009 6:57 am    Post subject: Reply with quote
Code:
.------------------.------------------.------------------.
| 5     6     14   | 8     2     7    | 9     134   134  |
| 9     3     78   | 1     5     4    | 78    26    26   |
| 47   A18    2    | 9     6     3    |D1578  1457  147  |
:------------------+------------------+------------------:
| 8     7     6    | 3     1     2    | 4     9     5    |
| 1     9     5    | 4     7     8    | 2     36    36   |
| 2     4     3    | 6     9     5    | 17    17    8    |
:------------------+------------------+------------------:
| 3467 B15    47   | 2     8     16   |C1357  1457  9    |
| 3467  12    9    | 5     34    16   | 137   8     1247 |
| 34    1258  18   | 7     34    9    | 6     125   12   |
'------------------'------------------'------------------'

(8=1)A - (1=5)B - (5)C = (5)D; r3c7 <> 8
for a single bullet
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