x: LENGTH 2 MSB: 4
y: LENGTH 1 MSB: 4
number = 08-09
root = 0A
number = 02-02
root = 0A
number = 80
root = 0A
number = 20
root = 0A
number = 08
root = 0A
number = 02
root = 0A
low = 00
high = 01
low = 02
high = 03
low = 04
high = 05
low = 08
high = 09
low = 10
high = 11
low = 20
high = 21
---------------------
        20