OFFSET
1,7
EXAMPLE
Some solutions for 7X7
..0..0..0..1..1..3..3....0..0..1..1..1..4..4....0..0..1..1..4..4..4
..0..0..0..1..1..3..3....0..0..1..1..1..4..4....0..0..1..1..4..4..4
..0..0..0..1..1..4..4....1..1..2..2..2..2..2....1..1..2..2..2..2..2
..1..1..1..2..2..4..4....1..1..2..3..3..2..2....1..1..2..3..3..2..2
..1..1..1..2..2..4..4....1..1..2..3..3..2..2....4..4..2..3..3..5..5
..3..3..4..4..4..5..5....4..4..2..2..2..5..5....4..4..2..2..5..5..5
..3..3..4..4..4..5..5....4..4..2..2..2..5..5....4..4..2..2..5..5..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 11 2011
STATUS
approved