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