[重点]主攻054927头,主攻051649尾.
1,排除163头,387百,059十,尾387.
2,铁卒:03,08,53,58.
3,三字现:320,325,370,375,820,528,870,578.
4,二定:0X3X,0X8X.5X3X,5X8X,00XX,05XX,50XX,55XX,0XX0.
5,三定:003X,008X,053X,058X,553X,558X,503X,508X,0X30,0X35.
6,直码:0030,0035,0080,0085,0530.0535,0580.0585,5030,5035.