[重点]主攻381605头,主攻381649尾.
1,排除274头,270百,127十,尾275
2,铁卒:32.37,82,87.
3,三字现:320,325.370,375,820,825,870,857.
4,二定.3X3X,3X8X,8X3X.8X8X, 3XX4, 3XX9, 8XX4, 8XX9.
5,三定,3X32.3X37,3X82,3X87,8X32,8X37,8X82,8X87,1X52,1X57.
6,直码:3734.3739,3784,3789,8734.8739,8784,8789,1954,1959.