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: GcbTopXVAbvjDPcX, tsFbTopXVAckyfBF

A: GcaboptvxbvjDPcX, tsFaboptvxckyfBF
****
Q: UavQtLUICEJzHMDv, tVjjvXBnpwwvQtLUICEJzHMKbFJzU

A: UacehijlmqtuvzDv, tVjjvXBnpwwcehijlmqtuvzKbFJzU
****
Q: FEoWwPuMAENpSWBP, AwfMoWwPuMAENpBrSru

A:
FEaemnoppuwwSWBP, AwfMaemnoppuwwBrSru
****