01 00|1  00|0 01| 010 |100       word in binary 
        4     4    1    2    4        represented in octal 
     01 001 000  |  01 010 100        two-byte components

              \    /
               \  /                   
                \/
                /\
               /  \
              v    v

     01 010 100  |  01 001 000        two bytes in address order
      1  2   4       1  1   0         represented in octal