flowchart TB
    A --> B
    B --> C
---
+---+
|   |
| A |
|   |
+---+
  |  
  |  
  |  
  |  
  v  
+---+
|   |
| B |
|   |
+---+
  |  
  |  
  |  
  |  
  v  
+---+
|   |
| C |
|   |
+---+
