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]: mfNJeACPgv, vRmwJeACiAwN
[A]: mfNacejPgv, vRmwacejiAwN


[Q]: qtekELFXGKkN, qDygekELFXGKXCN
[A]: qteefgkklxkN, qDygeefgkklxXCN


[Q]: MXScEbut, CSocEboLb
[A]:
MXSbceut, CSobceoLb