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]: yssbXliwPzAQuF, nXZbXliwPdE
[A]: yssbilpwxzAQuF, nXZbilpwxdE


[Q]: KtLmLpKGOgyjUnqCdyOoFFsCUqbfjeJY, nPzXbYxvgIZIvNmyjUnqCdyOoFFsCUqWFBbJBHNnf
[A]: KtLmLpKGOgccdffjnooqqsuuyybfjeJY, nPzXbYxvgIZIvNmccdffjnooqqsuuyyWFBbJBHNnf


[Q]: UpYGfsKTQS, RBluGfsKTKu
[A]:
UpYfgkstQS, RBlufgkstKu