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: nHdXnGzCTHd, SsFvnGzCKb

A: nHdXcgnzTHd, SsFvcgnzKb
****
Q: SonqNM, AmnqZz

A: SonqNM, AmnqZz
****
Q: HxEeKXAWgOGNGK, WvEeKXAWgKjiDNmV

A:
HxaeegkwxOGNGK, WvaeegkwxKjiDNmV
****