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: iWGQpnsUkTbFeZiCQJ, tKTDrpnsUkTbFLS

A: iWGQbfknpstueZiCQJ, tKTDrbfknpstuLS
****
Q: jtrfilAzZA, NBCwrfilRe

A: jtfilrAzZA, NBCwfilrRe
****
Q: TCHxAz, LiHxnx

A:
TChxAz, Lihxnx
****