【重点】百位431720,十位643821.
1、排除815头,698百,957十,尾962
2、铁卒:34、14、68、56.
3、三字现:236,789,125,369,139,345,189,347
4、二定位XX61 XX24 7X6X 23XX X43X 72XX X3X1 4X8X X48X 6XX4 4XX0 7X3X 4XX4 4X6X 63XX 6XX1 42XX X3X4 4X3X
5、三定位:X244,X781,X187,673X,714X,X320,64X4,44X4,614X,02X0,6X65,0X65,0X47,X360,