[重点]主攻381605头,主攻273816尾.
1,排除749头,276百,169十,495尾.
2,铁卒:30,35,80,85.
3,三字现:320,325,370,375,820,825,870,875.
4,二定:3XX0,3XX5,8XX0,8XX5,3XX3,3XX8,8XX3,8XX8,80XX,85XX.
5,三定:302X,307X,352x,357X,802X,807X,852X,857X,35X3,35X8.
6,直码:8573,8578,8023,8528,,8073,8078,3573,3578,3073.3078