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


[Q]: WgzntmiocbHcOQhENDVkjNw, KAQYsddcbHcOQhEFhR
[A]: WgzntmiobccehhoqNDVkjNw, KAQYsddbccehhoqFhR


[Q]: fYGzFrqwxMmxaMI, OZDocwzFrqwxUw
[A]:
fYGfqrwxzMmxaMI, OZDocwfqrwxzUw