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