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