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