[重点]主攻054927头,主攻492716尾.
1,排除163头,169百,491十,053尾.
2,铁卒:54,59,52,57.
3,三字现:524,529,574,759,024,029,074,079.
4,二定:0XX2,0XX7,5XX2,5XX7,0XX4,0XX9,5XX9,5XX4,XX04,XX09.
5,三定:0X04,0X09,0X54,0X59,5X04,5X09,5X54,5X59,4X04,4X09.
6,直码:5204,5209,5254,5259,5704,5709,5754,5759,4204,4209.