Some solutions for n=3
..0..0..0..0..1..2..0....0..0..1..1..1..1..0....0..0..1..0..1..0..2
..2..0..0..1..0..2..0....0..2..1..0..2..2..2....0..1..0..1..1..0..0
..0..2..0..0..0..0..0....0..1..1..2..2..2..2....0..0..0..0..1..0..0
..0..0..0..0..0..2..2....1..1..1..1..1..2..2....1..1..1..1..1..1..0
..1..1..0..1..0..1..0....1..1..1..1..1..1..2....1..2..0..2..1..0..1
|