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.

[EX Q]: dDtIwjZqijwEqNnLrHCwHWzSJSRcbzIyKs, xioXovZqijwEqNnLrHCwHWdpdeuZhcdxVyA
[EX A]: dDtIwjcehhijlnnqqrwwwzzSJSRcbzIyKs, xioXovcehhijlnnqqrwwwzdpdeuZhcdxVyA

[EX Q]: DzQgVdBge, DggVdBTXB
[EX A]: DzQbdgvge, DgbdgvTXB

[EX Q]: CktpONfxyqH, DxyudpONfxJnKK
[EX A]:
CktfnopxyqH, DxyudfnopxJnKK