OFFSET
1,1
EXAMPLE
Some solutions for 4X4
..4..4..4..2....0..6..2..6....4..4..4..4....0..2..4..4....0..2..4..4
..4..4..7..2....6..2..6..3....4..4..5..4....2..0..3..4....2..0..7..2
..4..7..2..6....2..6..7..0....4..5..6..5....4..3..4..7....4..7..1..7
..2..2..6..6....6..3..0..6....4..4..5..4....4..4..7..0....4..2..7..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 18 2011
STATUS
approved