Making some basic type testing.
rbb: 00 00 00 00 00 00 00 00
rbb: 00 00 00 00 00 00 00 01
rbb: 00 00 00 00 00 00 00 03
rbb: 00 00 00 00 00 00 00 31
rbb: 10 00 00 00 00 00 00 01
show_rbb: RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR
show_rbb: IIRRIIIR