| Payload  |
                                                    +----------+ 
                                       | Payload  | |    EL    | P7
                                       +----------+ +----------+ 
                          | Payload  | |    EL    | |    ELI   | 
                          +----------+ +----------+ +----------+ 
             | Payload  | |   EL     | |    ELI   | | Label 50 | 
             +----------+ +----------+ +----------+ +----------+ 
|  Payload | |     EL   | |   ELI    | | Label 40 | | Label 40 |
+----------+ +----------+ +----------+ +----------+ +----------+  
|     EL   | |    ELI   | | Label 30 | | Label 30 | | Label 30 |  
+----------+ +----------+ +----------+ +----------+ +----------+
|    ELI   | | Label 20 | | Label 20 | | Label 20 | | Label 20 | 
+----------+ +----------+ +----------+ +----------+ +----------+
| Label 16 | | Label 16 | | Label 16 | | Label 16 | | Label 16 | P1
+----------+ +----------+ +----------+ +----------+ +----------+
  Packet 1     Packet 2     Packet 3     Packet 4     Packet 5