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