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
assignment reject: 06 3a 10 7f 06 36 14 7f 06 36 14 7f 06 36 14 7f 06 36 14 c0 2b 2b 
assignment reject: 06 3a 10 70 06 36 14 70 06 36 14 70 06 36 14 70 06 36 14 0b 2b 2b