v3.0 hex words addressed
0: 0000000000000000 00000000000000ff 000000000000ffff 0000000000ffffff 00000000ffffffff 0000000000000000 0000000000000000 0000000000000000
8: ffffffffffffffff 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000