Sudoku
Georg Gollmann
gollmann at zid.tuwien.ac.at
Thu Oct 13 15:47:26 UTC 2005
Am 13.10.2005 um 17:08 schrieb Tom Phoenix:
>> After adding arbitrary regions to the solver
>
> Cool! Can it solve this one? I believe it to be more difficult than
> most. Cheers! --Tom Phoenix
>
> 5 | 6 |
> | |
> 9 | | 3
> +---+---+ +---+---+
> | 4 | 7 | | 5
> +---+ | | +---+
> 4 | 5 7 | | |
> ---+ | | +---
> | | 1 | |
> | +-------+---+-------+ |
> | | 7 9 | |
> +---+---+ +---+---+
> | | 8 9
> +---+---+ +---+---+
> 6 4 | | | 5 |
> | +---+ |
> | 6 | 3
Only a question of time :-)
It took my PowerBook 30 seconds to find
5 8 1 2 6 3 7 4 9
9 7 6 5 4 8 3 1 2
2 3 4 8 7 9 1 6 5
4 1 5 7 9 6 2 3 8
8 2 9 3 1 4 5 7 6
3 6 7 9 5 2 4 8 1
7 5 2 6 3 1 8 9 4
6 4 3 1 8 5 9 2 7
1 9 8 4 2 7 6 5 3
Kind regards
Georg
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