[炎彬]排列三121规则推荐杀跨定胆：468
- 独胆
- 4
- 双胆
- 4,6
- 三胆
- 4,6,8
- 杀一码
- 7
- 杀二码
- 0,7
- 杀三码
- 0,1,7
- 五码组选
- 2,3,4,6,8
- 六码组选
- 2,3,4,6,8,9
- 定三跨度
- 1,3,5
- 杀二和尾
- 3,4
- 定四和值
- 6,9,11,21
- 包星两组
- *3*,3**
- 直选定位
- 248,057,237
- 定位5*5*5
- 24678,04567,23579
- 定位杀四码
- 0159,1289,0468
- 胆拖
- 胆码：6,拖码：2,3,4,5,9
- 组选五注
- 263,466,528,639,845
- 组选十注
- 263,269,464,466,528,623,639,845,882,966
- 组选40注
- 226,228,234,236,238,245,256,258,266,268,289,336,338,344,346,348,356,358,366,368,445,448,455,456,458,459,466,468,469,489,499,558,566,569,589,668,689,699,889,899