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