OFFSET
1,5
EXAMPLE
Some solutions for 6X6
..0..0..1..1..2..2....0..0..0..0..2..2....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..1..1..2..2....0..0..0..0..2..2....0..1..1..1..0..0....0..1..1..1..1..0
..1..1..0..0..0..0....0..0..0..0..0..0....0..1..1..1..1..1....0..1..2..2..1..0
..1..1..0..0..0..0....0..0..0..1..1..0....0..1..1..1..1..1....0..1..2..2..1..0
..2..2..0..0..1..1....2..2..0..1..1..0....0..0..1..1..2..2....0..1..1..1..1..0
..2..2..0..0..1..1....2..2..0..0..0..0....0..0..1..1..2..2....0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 11 2011
STATUS
approved