n=5的一些解
..0....1....0....1....1....7....5....5....1....0....0....1....1....1....1....0
..5....2....1....2....1....0....1....1....3....1....1....2....2....0....7....1
..2....1....3....1....2....0....0....3....1....2....2....4....1....0....1....7
..0....3....1....5....0....4....1....2....2....5....3....3....1....0....0....0
..3....1....0....0....0....0....3....0....4....0....2....0....5....1....4....1
..2....4....8....1....1....3....0....4....0....1....2....3....1....8....1....3
..3....1....1....1....2....3....6....5....4....2....4....4....0....0....2....4