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: CXhVNMCAUcXvQ, guNMCAUIEkxX

A: CXhVacmnucXvQ, guacmnuIEkxX
****
Q: XkTIPCgSaqTxsVJ, LycIoCgSaqTxsgAHIRbJ

A: XkTIPacgqsstxVJ, LycIoacgqsstxgAHIRbJ
****
Q: pIqmXgflULfNHJUiBZBgYWaPdvIZrB, gZteLIjnZglULfNHJUiBZBgYrDuWOUExx

A:
pIqmXgfbbfghijllnuuyzWaPdvIZrB, gZteLIjnZgbbfghijllnuuyzrDuWOUExx
****