251期定5和尾:2,4,5,6,9250期定5和尾:2,4,5,8,9错249期定5和尾:1,3,4,5,8错248期定5和尾:1,2,4,8,9错247期定5和尾:1,3,5,7,8中246期定5和尾:1,2,3,4,7中