[重点]主攻053849头,主攻051639尾.
1,排除162头,167百,382十,274尾.
2,铁卒:54,59,53,58.
3,三字现:534,539,584,589,034,039,084,089.
4,二定:4X0X,4X5X,9X0X,9X5X,4XX0,4XX5,9XX0,9XX5,5X4X,5X9X.
5,三定:4X00,4X05,4X50,4X55,9X00,9X05,9X50,9X55,43X0,43X5.
6,直码:4300,4305,4350,4355,9300,9305,9350,9355,9850,9800.