这条路不是从教科书里抄来的模式，是把脚踩进泥土里、把优势和短板摆出来之后，拼出来的一条路。
Highly Divergent Profiles: For routing configurations that are not pre-calculated as common scenarios and whose costs vary too much from default configurations, the original A* algorithm might still be faster (and is often used as an automatic fallback).
，更多细节参见91视频
Number (6): Everything in this space must add up to 6. The answer is 1-3, placed vertically; 3-0, placed vertically.，更多细节参见safew官方下载
sequenceDiagram