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