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