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