---------------------------------
|  1    30   12   2    29   13  |
|  20   33   27   15   34   8   |
|  11   3    36   31   4    23  |
|  26   16   19   7    28   14  |
|  21   32   10   22   35   9   |
|  18   6    25   17   5    24  |
---------------------------------

It took a while for the penny to drop. My question is: how did you  
find the _first_ 6 x 6 solution and long did _that_ take?

Regards, Morton

On Aug 11, 2006, at 2:39 PM, James Edward Gray II wrote:

> On Aug 11, 2006, at 7:58 AM, Ruby Quiz wrote:
>
>> 	- Try to fill the biggest board you can with this script, in a
>> 	  reasonable amount of time (let's say 48 hours minus scripting  
>> time)
>
> $ time ruby grid_fill.rb -s 6
> -------------------------------
> |  15   8    26   16   7    27  |
> |  34   11   5    29   12   22  |
> |  25   17   14   9    18   1   |
> |  4    30   33   21   6    28  |
> |  35   10   24   36   13   23  |
> |  32   20   3    31   19   2   |
> -------------------------------
>
> real    0m0.037s
> user    0m0.026s
> sys     0m0.010s
> $ time ruby grid_fill.rb -s 6
> -------------------------------
> |  28   21   3    29   20   4   |
> |  11   24   18   6    25   35  |
> |  2    30   27   22   31   14  |
> |  17   7    10   34   19   5   |
> |  12   23   1    13   26   36  |
> |  9    33   16   8    32   15  |
> -------------------------------
>
> real    0m0.037s
> user    0m0.026s
> sys     0m0.010s
> $ time ruby grid_fill.rb -s 6
> -------------------------------
> |  19   12   30   20   11   31  |
> |  2    15   9    33   16   26  |
> |  29   21   18   13   22   5   |
> |  8    34   1    25   10   32  |
> |  3    14   28   4    17   27  |
> |  36   24   7    35   23   6   |
> -------------------------------
>
> real    0m0.037s
> user    0m0.026s
> sys     0m0.010s
>
> :)
>
> James Edward Gray II
>