payload: 100
null, afc 0: 100
payload, then null with afc 0: 100
payload, then null with afc 0, 192: 100
payload, then null with afc 0, 204: 100
null, then payload with afc 0: 0
payload and null with afc 0, mixed: 100
payload, a few null with afc 0: 100
null, then PID 0x1FF with afc 0: 0
null, then PID 0x1F00 with afc 0: 0
null with afc 0, after 0x00: 100
payload with afc 0, after 0xFF: 0
payload, after 0xFF: 100
