【重点】百位561490，十位503192.
1、排除431头,872百,684十,尾297
2、铁卒:27、57、03、47.
3、三字现:469,149,167,028,124,178,467,578
4、二定位7XX6 X6X3 6X5X 64XX 2XX1 0XX1 6XX3 6XX6 5X3X X43X XX95 7XX0 65XX 6X3X 54XX XX96 5X0X X4X5 5X9X
5、三定位:55X6,261X,29X6,7X11,2X90,553X,01X1,X951,7X96,54X1,6X30,X506,643X,550X,