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]: LywoDTnnzWJeMRQZZGskQTZiSkmsAeJ, uufIfWJeMRQZZGskQTZFZNcyWRVowvzb
[A]: LywoDTnnzegjkmqqrstwzzziSkmsAeJ, uufIfegjkmqqrstwzzzFZNcyWRVowvzb


[Q]: eKJfUBpGzRSHpkgdUHYOj, hlZWguuJfUBpGzRSHpkgdUuaqEtwB
[A]: eKbdfgghjkpprsuuzHYOj, hlZWguubdfgghjkpprsuuzuaqEtwB


[Q]: XJeDtoSdIUnURoIrwfplZxMzEyqxVdkQ, SvyEoSdIUnURoIrwfplZxsFBIRL
[A]:
XJeDtdfiilnooprrsuuwxzMzEyqxVdkQ, SvyEdfiilnooprrsuuwxzsFBIRL