Some solutions for n=2
..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
..2..3....2..0....2..3....2..3....2..3....2..0....2..3....2..3....2..3....2..3
..0..1....3..1....0..1....4..1....1..4....3..2....4..4....4..1....4..2....0..4
..4..4....4..4....4..4....0..2....4..3....4..4....1..3....3..4....1..4....4..1
..2..3....2..3....3..2....4..3....0..2....1..3....2..0....2..0....3..0....3..2
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