[重点]主攻583027头,主攻382750尾.
1,排除164头,163百,164十,491尾.
2,铁卒:70,75,20,25.
3,三字现:753,758,703,708,203,208,253,258.
4,二定:X20X,X25X,X70X,X75X,X02X,X07X,X52X,X57X,7XX3,7XX8.
5,三定:X703,X708,X753,X758,X023,X028,X073,X078,X523,X528.
6,直码:7703,7708,7753,7758,7023,7028,7073,7078,7523,7528.