+---+---+---+---+
|               |
| Aaaaaaaaa   B |
|         a   b |
+   +   + a + b +
|         a   b |
| C   Bbbb#bbbb |
| c       a     |
+ c +   + a +   +
| c       a     |
| ccccC   aaaaA |
|               |
+---+---+---+---+