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