OFFSET
1,1
COMMENTS
Column 8 of A185933
EXAMPLE
Some solutions for 3X9
..2..0..0..0..0..0..0..1..3....2..0..0..0..0..0..0..3..3
..0..0..0..1..0..1..0..2..0....0..0..0..1..0..1..3..0..3
..0..0..2..0..0..0..0..0..2....0..0..2..0..0..0..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2011
STATUS
approved