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: UxHwyDIeYvOPeeS, VfuJSyDIeYvLpD

A: UxHwdeivyyOPeeS, VfuJSdeivyyLpD
****
Q: WBQtEGiDpQrAvydLyVBirZLArAm, zrcWUugHgBXGiDpQrAvydLyVBirZLArzwRrejcRkSp

A: WBQtEaabddgiillpqrrrvvyyzAm, zrcWUugHgBXaabddgiillpqrrrvvyyzzwRrejcRkSp
****
Q: nQBTggawPYHD, ahuuiTggawdz

A:
nQBaggtwPYHD, ahuuiaggtwdz
****