Some solutions for 5X5
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..2..0....0..0..2..1..2....0..3..1..3..1....0..3..1..0..3
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..1..0....0..0..1..1..1....0..0..3..1..2....0..0..3..2..1
|