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]: PPCMvfHTfknHvYtmnYKsClgJxGbZZFPCuJmGBv, jGypzfRlxMdHvfHTfknHvYtmnYKsCFCuomUyFJnXr
[A]: PPCMcffhhkkmnnsttvvyylgJxGbZZFPCuJmGBv, jGypzfRlxMdHcffhhkkmnnsttvvyyFCuomUyFJnXr


[Q]: WAUZPHkfsiljdiZqKKOgGFptmBCBCxFfWEMvobZ, YhtgDzgKtFPVlwEFQufsiljdiZqKKOgGFptmBdJGXiCnywA
[A]: WAUZPHkbdffggiijkklmopqstzCBCxFfWEMvobZ, YhtgDzgKtFPVlwEFQubdffggiijkklmopqstzdJGXiCnywA


[Q]: gqYQKwGxuBTCsqeGirF, ZVcYQKwGxuBTCsqeGiBGSOdzKw
[A]:
gqbceggikqqstuwxyrF, ZVcbceggikqqstuwxyBGSOdzKw