Variable length (wire)
0xxxxxxx
1xxxxxxx 0xxxxxxx
1xxxxxxx 1xxxxxxx 0xxxxxxx
1xxxxxxx 1xxxxxxx 1xxxxxxx 0xxxxxxx
Fixed length (memory)
00000000 0xxxxxxx
1xxxxxxx 0xxxxxxx
00000000 00000000 0xxxxxxx
00000000 1xxxxxxx 0xxxxxxx
1xxxxxxx 1xxxxxxx 0xxxxxxx
00000000 00000000 00000000 0xxxxxxx
00000000 00000000 1xxxxxxx 0xxxxxxx
00000000 1xxxxxxx 1xxxxxxx 0xxxxxxx
1xxxxxxx 1xxxxxxx 1xxxxxxx 0xxxxxxx