【重点】百位520793，十位719564.
1、排除492头,641百,830十,尾710
2、铁卒:49、18、45、04.
3、三字现:135,267,129,479,047,158,569,489
4、二定位0XX6 7X9X 8X5X X9X5 57XX 0X9X 7XX5 1X7X 89XX 70XX 0X6X XX66 8XX2 5XX2 8XX9 XX75 1X1X 5XX8 XX99 7X1X
5、三定位:X012,199X,X566,5X52,19X2,5X69,X516,80X8,551X,X969,807X,80X9,59X9,75X2,