[重点]主攻163827头,主攻384905尾
1,排除490头,495百,497十,276尾
2,铁卒:31,36,81,86
3,三字现:310,315,360,365,810,815,860,865
4,二定:13XX,18XX,63XX,68XX,31XX,36XX,81XX,86XX,X3X8,X8X3
5,三定:13X3,13X8,18X3,18X8,63X3,63X8,68X3,68X8,31X0,86X5
6,直码:1303,1308,1353,1358,1803,1808,1853,1858,6803,6808