graph LR
%% This is a comment
A --> B
%% Another comment
B --> C
A --> C
%% Final comment
---
+---+     +---+
|   |     |   |
| A |---->| B |
|   |     |   |
+---+     +---+
  |         |  
  |         |  
  |         |  
  |         |  
  |         v  
  |       +---+
  |       |   |
  +------>| C |
          |   |
          +---+