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]: hAzAUKgbJ, xIAUKHho
[A]: hAzakugbJ, xIakuHho


[Q]: GSIzvjMP, kXIzvNe
[A]: GSivzjMP, kXivzNe


[Q]: RJLSBCbHhgDKmkxcww, cgMxKoIHhgDKmkMKChdF
[A]:
RJLSBCbdghhkkmxcww, cgMxKoIdghhkkmMKChdF