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