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