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]: NusDgdNOKbu, mqybJDgdNOeNmDv
[A]: NusddgnoKbu, mqybJddgnoeNmDv


[Q]: cmFMNrARTC, vEQBNrARctAE
[A]: cmFManrrTC, vEQBanrrctAE


[Q]: LeMQyluVWaPWuQGGnbDVeuJCJKcsyBnQ, rmundkousUAMQyluVWaPWuQGGnKBllFIvRN
[A]:
LeagglmnpqquuvwwybDVeuJCJKcsyBnQ, rmundkousUAagglmnpqquuvwwyKBllFIvRN