Some solutions for n=5
..2..2..1..0..2....0..0..2..2..2....1..2..2..1..2....2..1..1..2..2
..2..2..1..1..1....0..2..1..1..2....1..2..1..2..2....2..1..1..2..2
..0..1..2..2..2....2..2..2..2..1....1..1..2..2..2....2..2..1..1..2
..2..2..1..2..0....2..2..1..2..2....2..1..1..2..2....1..1..2..2..2
..1..0..2..2..2....2..1..2..2..2....1..1..2..2..2....0..2..2..2..2
|