All other bytes in the packed format contain two digits, each with value in 0 – 9.
This implies that each packed constants always has an odd number of digits.
A leading 0 may be inserted, as needed.
The standard sign fields are: negative X’D’
non–negative X’C’
The length may be from 1 to 16 bytes, or 1 to 31 decimal digits.
Examples +7 | 7C |
– 13 | 01 | 3D |