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