0 MC 0000
    4 MR 0000 dd
    4 MC 0001
    8 MR 0001 cb
    8 MC 0002
   11 MR 0002 4d
   11 MC 0003
   14 MR 0003 db
   14 MC 0003
   15 MC 0003
   16 MC 2bca
   19 MR 2bca 10
   19 MC 2bca
   20 MC 2bca
   23 MW 2bca 18
f986 6a4b 6518 d2c8 0000 0000 0000 0000 2b7d 5847 0000 0004
00 02 0 0 0 0 23
2bca 18 -1