graph LR
ABC --> BCDEFG
ABC --> CDEFGHI
---
+-----+     +---------+
|     |     |         |
| ABC |---->|  BCDEFG |
|     |     |         |
+-----+     +---------+
   |                   
   |                   
   |                   
   |                   
   |                   
   |        +---------+
   |        |         |
   +------->| CDEFGHI |
            |         |
            +---------+
