[重点]主攻012379头,主攻012389尾.
1,排除568头,234百,135十,467尾.
2,铁卒:26,28,46,48.
3,三字现:526,528,546,548,726,728,746,748.
4,二定:25XX,08XX,76XX,78XX,21XX,01XX,XX21,XX28,XX42,XX48.
5,三定:262X,282X,762X,782X,062X,082X,064X,084X,764X,784X.
6,直码:2628,2828,7628,7828,0628,0828,2348,2148,7648,7848.