【重点】百位256398，十位219457.
1、排除501头,174百,603十,尾957
2、铁卒:59、19、34、07.
3、三字现:467,124,169,349,158,246,017,478
4、二定位2X1X 2XX4 46XX 2X9X X52X XX53 8XX8 XX52 4X5X XX42 X51X X21X X2X6 2X5X X9X8 2XX2 7X2X XX44 42XX 7XX6
5、三定位:X944,2X28,4X43,49X3,6X16,X914,45X8,49X4,634X,X644,7X92,79X2,X626,2X52,