Some solutions for n=5
..0..0..1..1..2....0..1..0..1..0....0..1..1..0..0....0..1..0..2..0
..0..2..2..1..2....0..0..1..1..2....0..0..1..0..0....3..3..0..1..3
..1..0..1..0..3....3..2..3..0..1....1..2..3..1..1....2..1..1..2..1
..2..0..1..3..2....1..1..2..2..1....2..0..1..0..0....1..0..2..0..3
..0..1..0..0..1....2..3..0..1..2....0..0..3..0..1....0..0..2..1..1
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