n=5的一些解
..4....2....0....0....3....1....1....0....0....2....3....2....2....1....2....2
..4....5....0....1....5....3....1....1....1....5....3....5....2....2....5....2
..2....3....4....5....4....4....3....3....3....2....5....2....5....3....1....4
..0....5....4....4....3....2....5....5....4....5....2....5....4....5....3....4
..4....5....5....5....1....1....2....2....3....3....2....5....4....3....5....2