[蓝色妖姬]排列3第21023期最准的专家预测每天必下：457
- 独胆
- 5
- 双胆
- 5,7
- 三胆
- 4,5,7
- 杀一码
- 3
- 杀二码
- 0,3
- 杀三码
- 0,1,3
- 五码组选
- 4,5,7,8,9
- 六码组选
- 2,4,5,7,8,9
- 定三跨度
- 1,6,7
- 杀二和尾
- 7,8
- 定四和值
- 9,10,13,20
- 包星两组
- **7,*7*
- 直选定位
- 247,045,468
- 定位5*5*5
- 02457,04568,34678
- 定位杀四码
- 1368,1239,0129
- 胆拖
- 胆码：5,拖码：2,6,7,8,9
- 组选五注
- 464,597,625,728,885
- 组选十注
- 464,476,546,562,597,625,728,755,852,885
- 组选40注
- 224,225,227,245,246,247,248,249,255,257,259,278,445,447,448,455,458,467,468,469,479,488,489,499,556,559,566,567,569,577,578,579,599,677,678,679,778,779,788,789