OFFSET
1,9
EXAMPLE
Maximal 9 X 9 example:
0 0 1 0 0 0 1 0 0
0 0 1 1 0 1 1 0 0
1 1 0 1 0 1 0 1 1
0 1 1 0 0 0 1 1 0
0 0 0 0 0 0 0 0 0
0 1 1 0 0 0 1 1 0
1 1 0 1 0 1 0 1 1
0 0 1 1 0 1 1 0 0
0 0 1 0 0 0 1 0 0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 25 2008
STATUS
approved