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