前区:
02,03,04,05,07,12,13,15,16,18,19,22,23,24,25,27,28,31
02,03,04,05,07,12,13,15,16,18,19,23,24,25,28,31
03,05,07,12,13,15,19,23,24,25,28,31
03,07,12,13,19,23,24,25,28,31
03,07,12,23,24,25,31
三胆:03,12,31
独胆:12
后区:
03,04,06,08,11,12
04,06,08,12
三胆:04,06,08
独胆:04,08
幸运彩8+2组合:03,05,07,12,23,24,25,31 + 04,08。
幸运彩12+4组合:03,05,07,12,13,15,19,23,24,25,28,31 + 04,06,08,12。