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Set D Puzzle 23

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon Dec 01, 2008 1:23 am    Post subject: Set D Puzzle 23 Reply with quote
Swordfish Alert.

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

Play this puzzle online at the Daily Sudoku site
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Mon Dec 01, 2008 2:22 am    Post subject: Reply with quote
Code:
.---------------------.---------------------.---------------------.
| 8      19     2     | 7      4      15    | 6      3      159   |
| 3      6      49    | 1259   25     8     | 7      1245   12459 |
| 7      149    5     | 129    3      6     | 124    8      1249  |
:---------------------+---------------------+---------------------:
| 9      5      1     | 3      6      27    | 248    247    2478  |
| 4      3      7     | 8      9      125   | 125    125    6     |
| 2      8      6     | 15     57     4     | 9      157    3     |
:---------------------+---------------------+---------------------:
| 6      2     -48    |*45     578    9     | 3      1457   14578 |
| 1     *47     3     | 6      2578  *57    | 2458   9      24578 |
| 5      479    489   | 24     1      3     | 248    6      2478  |
'---------------------'---------------------'---------------------'

thought that xy-wing was going to solve it.
but it didn't.... needed a xy-chain to finish it. 19-15-57-47-49 removes 9 in r2c3
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