[天狼星]大乐透2021131期前后区预测前区杀红球：02 10 30
- 前区三胆
- 01,06,25
- 前区五胆
- 01,03,06,18,25
- 前区杀三码
- 02,10,30
- 前区杀六码
- 02,10,12,14,19,30
- 后区三胆
- 02,06,11
- 后区五胆
- 02,06,07,10,11
- 后区杀一码
- 09
- 后区杀三码
- 03,08,09
- 复式7+3
- 01,03,06,18,21,25,32 + 06,10,11
- 前12+后3
- 01,03,05,06,13,15,16,18,21,25,32,33 + 06,10,11
- 20码大底
- 01,03,04,05,06,07,08,13,15,16,18,21,23,25,27,28,31,32,33,34