UR Type 5 Example

Advanced methods and approaches for solving Sudoku puzzles

UR Type 5 Example

Postby hobiwan » Mon Mar 23, 2009 12:32 am

I have searched for quite a while for an example for UR Type 5 without any luck. Today while just puzzling for fun it appeared out of nowhere:

Code: Select all
.--------------.---------------.--------------.
| 7   5    46  |  9     8    2 | 46   3    1  |
| 2   14   9   |  6     14   3 | 5    8    7  |
| 13  346  8   |  14    5    7 | 9    26   24 |
:--------------+---------------+--------------:
| 8   12   12  |  5     9    4 | 3    7    6  |
| 6   47   47  |  3     2    1 | 8    9    5  |
| 5   9    3   |  8     7    6 | 14   12   24 |
:--------------+---------------+--------------:
| 13  367  5   | -147  *46   9 | 2   *146  8  |
| 9   8    16  |  2    *146  5 | 7   *46   3  |
| 4   267  267 |  17    3    8 | 16   5    9  |
'--------------'---------------'--------------'

Uniqueness Test 5: 4/6 in r7c58,r8c58 => r7c4<>1
hobiwan
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