【摘要】主攻640917头,179852尾
1、排除235头,687百,435十,尾064
2、铁卒:38、08、09、78.
3、三字现:135,157,348,138,179,039,169,238
4、二字定:
4X1X 6X8X 9XX5 XX09 6X1X X4X9 X1X9 61XX 0X9X 1XX9
5、三定:X418,X918,15X9,622X,64X9,042X,4X29,41X5,X407,X209,0X95,69X9,
6、直码:6281,6221,6181,6121,4281,4221,4181,4121,