Also, about CRC.
Assuming it's again LLLLHHHH, the only values I see on LLLL are:0000 - dec: 0
0001 - dec: 1
1000 - dec: 8
1001 - dec: 9
I'm tending to agree with you here. I would expect a true CRC value to be a lot more random. Maybe greater minds than ours can enlighten us!