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: KqLRpnPSLQo, iWqkpnPSfF

A: KqLRnppsLQo, iWqknppsfF
****
Q: GSIzvjMP, kXIzvNe

A: GSivzjMP, kXivzNe
****
Q: iWDfDDTzYUtlzfceoRH, XgQuwDTzYUtlzfanfiIeE

A:
iWDfDdflttuyzzceoRH, XgQuwdflttuyzzanfiIeE
****