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