【摘要】主攻489765头,149586尾
1、排除310头,367百,173十,尾270
2、铁卒:89、45、17、38.
3、三字现:012,013,014,015,016,017,018,019
4、二字定:
4X0X 9X0X 7X5X 79XX 4XX9 X02X 4X2X 78XX 7XX9 6X5X
5、三定:X001,74X4,X464,X248,842X,7X54,X905,924X,90X8,802X,8X69,6X64,
6、直码:4451,4421,4251,4221,8451,8421,8251,8221,