Some solutions for n=5
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..0....2....2....2....0....0....1....1....2....2....2....1....1....0....2....2
..2....1....2....3....2....2....2....2....3....2....0....2....2....2....0....0
..3....3....3....3....3....3....3....2....1....3....3....1....0....3....3....3
..2....0....4....0....4....0....4....3....4....4....4....3....3....2....4....1
..4....4....1....4....0....4....0....4....0....1....1....4....4....4....1....4
..3....1....0....2....0....1....2....0....3....0....0....2....1....1....2....0
..1....2....2....1....1....2....1....1....2....1....2....0....2....0....0....0
..0....2....0....4....2....0....2....2....1....2....3....4....2....0....1....2
..3....1....4....4....0....3....4....3....1....4....0....1....4....4....4....3
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