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