【摘要】主攻684317头,045197尾
1、排除590头,239百,750十,尾632
2、铁卒:36、13、29、69.
3、三字现:679,567,236,678,358,379,467,369
4、二字定:
46XX 8X3X XX80 37XX 4X1X 8XX0 6X2X 6X6X 1X2X 1XX5
5、三定:X789,856X,68X5,X480,1X14,38X0,X839,8X21,X720,4X80,48X0,8X31,66X1,
6、直码:6880,6830,6480,6430,8880,8830,8480,8430,