[重点]主攻123678头,主攻162705尾.
1,排除059头,160百,276十,389尾.
2,铁卒:13,18,63,68.
3,三字现:134,139,184,189,634,639,684,689.
4,二定:1XX1,1XX6,6XX1,6XX6,64XX,69XX,14XX,19XX,XX31,XX36.
5,三定:19X1,19X6,14X1,14X6,64X1,64X6,1X31,1X81,6X81,6X86.
6,直码:1931,1936,1981,1986,1431,1436,6931,6936,6981,6986.