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