[寻虹觅彩]排列三251过滤分析两胆必下：39
- 独胆
- 3
- 双胆
- 3,9
- 三胆
- 3,5,9
- 杀一码
- 0
- 杀二码
- 0,1
- 杀三码
- 0,1,4
- 五码组选
- 2,3,5,8,9
- 六码组选
- 2,3,5,7,8,9
- 定三跨度
- 1,3,6
- 杀二和尾
- 0,9
- 定四和值
- 11,13,16,23
- 包星两组
- *2*,9**
- 直选定位
- 689,123,129
- 定位5*5*5
- 25689,12379,01279
- 定位杀四码
- 0147,0458,4568
- 胆拖
- 胆码：9,拖码：2,3,5,6,8
- 组选五注
- 337,575,639,699,852
- 组选十注
- 238,337,573,575,639,699,769,795,852,965
- 组选40注
- 223,225,229,236,238,256,257,258,259,269,299,335,337,338,339,355,356,358,359,367,369,377,378,379,389,399,556,559,567,579,588,589,599,679,699,779,789,799,889,899