OFFSET
1,1
EXAMPLE
Some solutions for 4X4
..0..3..1..5....0..3..0..0....0..3..1..0....0..3..0..0....0..3..0..1
..3..0..5..2....3..0..2..6....3..0..1..4....3..0..0..2....3..0..1..3
..1..5..0..4....0..2..0..1....1..1..1..0....0..0..4..1....0..1..6..0
..5..2..4..0....0..6..1..0....0..4..0..4....0..2..1..3....1..3..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 31 2011
STATUS
approved