Some solutions for n=9
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..3....1....1....1....3....1....3....0....1....1....3....0....2....3....2....0
..4....2....3....2....4....0....1....1....0....3....1....0....3....1....3....2
..5....3....1....3....2....2....2....1....3....4....3....0....2....2....2....0
..1....0....4....2....1....3....4....2....0....0....0....2....4....1....4....2
..4....2....1....4....0....4....2....3....3....5....4....0....3....4....2....1
..5....0....5....0....0....1....3....4....2....3....1....3....5....5....1....0
..6....4....4....5....1....5....0....2....3....1....3....4....3....4....2....3
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