OFFSET
1,2
COMMENTS
Row 4 of A187528
EXAMPLE
Some solutions for 5X5
..2..3..3..0..3....3..3..1..0..1....2..0..2..1..3....0..2..1..0..1
..3..0..1..3..0....1..0..1..3..1....1..1..1..0..2....1..0..1..2..0
..2..3..2..3..1....3..3..2..3..2....2..1..2..1..2....1..2..2..2..1
..1..3..1..0..3....2..3..1..0..1....2..0..1..1..1....0..2..1..0..1
..3..0..3..3..1....1..0..1..3..3....1..1..2..0..2....1..2..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 10 2011
STATUS
approved