A convenience function to make a rotor with two turnover notches
from a forward substitution.
If turnover1 is 'B' and turnover2 is 'Z', the next rotor steps
when this rotor steps from B to C and from Z to A.
If ringSetting is 'C', it corresponds to "C-03".
A convenience function to make a rotor with two turnover notches from a forward substitution. If turnover1 is 'B' and turnover2 is 'Z', the next rotor steps when this rotor steps from B to C and from Z to A. If ringSetting is 'C', it corresponds to "C-03".