【重点】百位891637,十位840673.
1、排除704头,420百,152十,尾862
2、铁卒:38、24、69、16.
3、三字现:679,356,378,129,367,128,048,134
4、二定位X8X1 6XX5 6XX7 3XX1 X6X0 X30X X3X4 6X6X 59XX 89XX 1X4X 8XX7 X90X XX07 8X0X 56XX XX65 5X7X
5、三定位:614X,39X7,586X,X140,36X0,89X4,667X,56X0,89X0,X300,X844,X840,61X7,81X0,