[重点]主攻493816头。主攻490538尾.
1,排除160头,054百,279十,尾167
2,铁卒:34.39,84,89.
3,三字现:340,309.804,809,354,359,854,859.
4,二定.X3X4,X3X9,X8X4.X8X9, X80X, X35X, X85X, X30X.
5,三定,X304.X309,X354,X359,X804,X809,X854,X859,93X4,93X9.
6,直码:9304.9309,9354,9359,9804.9809,9854,9859,4304,4309.