Some solutions for n=5
..0..0..0..0..0..1..0....0..0..0..0..0..0..0....0..0..0..0..1..2..0
..1..2..1..2..1..2..0....1..2..1..3..1..2..1....1..2..1..3..1..4..4
..1..3..2..4..2..0..1....2..3..3..0..0..0..0....0..0..2..1..4..2..0
..4..1..1..2..0..3..3....0..0..1..1..2..3..1....2..3..0..2..2..0..1
..0..0..2..3..3..2..0....1..4..0..2..0..2..2....1..2..2..1..3..0..3
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