OFFSET
1,1
EXAMPLE
Some solutions for n=5:
..2..1..0..2..1..0....2..0..2..2..0..0....0..2..1..0..2..1....1..2..1..1..0..1
..0..1..0..2..2..1....2..0..0..1..2..1....1..0..1..1..1..2....1..2..2..1..0..0
..0..0..1..1..2..2....1..1..2..0..0..2....2..2..2..0..0..0....1..1..1..1..1..1
..1..1..2..0..0..2....0..2..0..0..2..2....1..0..0..2..2..1....1..0..1..1..2..1
..2..2..2..0..0..0....0..2..1..2..1..0....1..1..1..2..0..1....1..0..0..1..2..2
CROSSREFS
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Jan 03 2012
STATUS
approved