Input                   Output
-------------------     -------------
0001 0001 0000 0001 	1 1 0 1 1 0 0
0001 0001 0001 0000 	1 1 1 0 0 0 0
0001 0001 0001 0001 	1 1 1 1 1 1 1
FFFF                    FFFF

Note that your output will have one bit per line and it will
be printed as 0000 or 0001.
