【重点】百位680472,十位903748.
1、排除792头,931百,265十,尾526
2、铁卒:28、26、59、17.
3、三字现:167,458,127,349,356,459,024,137
4、二定位80XX 50XX X4X4 1XX9 1XX8 X89X X47X X87X 0X9X X4X1 58XX X43X 47XX 0XX4 4X0X 1X7X X4X8
5、三定位:8X03,X041,X701,50X9,X471,567X,X809,583X,54X4,1X04,877X,14X9,X031,5X99,