[重点]主攻273805头,主攻162738尾.
1,排除491头,349百,053十,尾490.
2,铁卒:12,17,62,67.
3,三字现:120,125,170,175,620,625,670,675.
4,二定:2XX1,2XX6.7XX1,7XX6,3XX1,3XX6,8XX1,8XX6,X0X1.
5,三定:20X1,20X6,25X1,25X6,70X1,70X6,75X1,75X6,34X1,34X6.
6.直码:2011,2016,2061,2066,2511.2516,2561,2566,7011,7016.