, | 1,2,3 means the length between the first and grouped horses with a same symbol are within 1 to 2 length. |
- | 1-2-3 means the length between the first and grouped horses with a same symbol are within 2 to 5 length. |
= | 1=2=3 means the length between the first and grouped horses with a same symbol are over 5 length. |
() | (1,2,3) means a group of horses running in parallel within a length. |
* | (1,*2,3) a horse number with this symbol indicates that this horse is leading a group. |