The Mexican Army Cipher Wheel

With the Mexican Army Cipher Wheel, we have each letter mapped to a range of numeric values. These mappings are defined with a number of rings:

Ref [here]

Disk 1 has values from 01 to 26, Disk 2 from 27 to 52, Disk 3 form 53 to 78, and Disk 4 from 79 to 00…