By the way, i didn't read the link jens posted, but if you look at the position of the space ' ' with regards to the center of board, a pretty clear pattern appears. Here are those positions for $=1 to 5

Quote:


1 -1 0
1 -1 -2 0 2 1 -1 0
1 -1 -2 0 2 3 1 -1 -3 -2 0 2 1 -1 0
1 -1 -2 0 2 3 1 -1 -3 -4 -2 0 2 4 3 1 -1 -3 -2 0 2 1 -1 0
1 -1 -2 0 2 3 1 -1 -3 -4 -2 0 2 4 5 3 1 -1 -3 -5 -4 -2 0 2 4 3 1 -1 -3 -2 0 2 1 -1 0

Edited by maciep (2006-09-16 02:26 PM)