[重点]主攻123468头,主攻013579尾.
1,排除079头,249百,579十,248尾.
2,精品包码:X/单/X/单.
3,铁卒:12,14,32,34.
4,三字现:125,145,325,345,127,147,327,347.
5,二定:5XX0,13XX,15XX,17XX,33XX,35XX,37XX,53XX,55XX,57XX.
6,三定:51X0,13X0,15X0,17X0,33X0,35X0,37X0,53X0,55X0,57X0.
7,直码:5140,1340,1540,1740,3340,3540,3740,5340,5540,5740.