In this task, you are given two strings A,B. You must perform the following operations to generate the required output list: (i) Find the longest common substring in the strings A and B, (ii) Convert this substring to all lowercase and sort it alphabetically, (iii) Replace the substring at its respective positions in the two lists with the updated substring.

Q: MSJqmysLLeQgl, ZKdjKqmysLkX

A: MSJlmqsyLeQgl, ZKdjKlmqsykX
****
Q: UKPKFHsKSptxKftiXhOozpJcUsiunKUZolgp, OUQtjFIGsmbBZlKFHsKSptxKftiXhOozpEvx

A: UKPffhhikkkooppssttxxzJcUsiunKUZolgp, OUQtjFIGsmbBZlffhhikkkooppssttxxzEvx
****
Q: UgMlNMzWIswA, LAMzWIsEP

A:
UgMlNimswzwA, LAimswzEP
****