Bytes:                          Words:
Module 1:   +---------+               +---------+---------+
            |    1    |               |    2    |    1    |
            +---------+               +---------+---------+
            |    2    |               |    4    |    3    |
            +---------+               +---------+---------+
            |    3    |                         |    5    |
            +---------+                         +---------+
            |    4    |
            +---------+
            |    5    |
            +---------+

Module 2:   +---------+               +---------+---------+
            |    1    |               |    2    |    1    |
            +---------+               +---------+---------+
            |    2    |               |    4    |    3    |
            +---------+               +---------+---------+
            |    3    |                         |    5    |
            +---------+                         +---------+
            |    4    |
            +---------+
            |    5    |
            +---------+

Concatenated modules, Module 1 followed by Module 2:
              Bytes:                          Words:
            +---------+               +---------+---------+
Module 1:   |    1    |   Module 1:   |    2    |    1    |
            +---------+               +---------+---------+
            |    2    |               |    4    |    3    |
            +---------+               +---------+---------+
            |    3    |   Module 2:   |    1    |    5    |
            +---------+               +---------+---------+
            |    4    |               |    3    |    2    |
            +---------+               +---------+---------+
            |    5    |               |    5    |    4    |
            +---------+               +---------+---------+
Module 2:   |    1    |
            +---------+
            |    2    |
            +---------+
            |    3    |
            +---------+
            |    4    |
            +---------+
            |    5    |
            +---------+