TASK DEFINITION: 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.
PROBLEM: IHNlNNYMHCKJsKVIwrGEHTudTjkyRjWy, QkYMHCKJsKVIwrGEHTudxRzNekCsDyVFG

SOLUTION: IHNlNNcdeghhijkkmrstuvwyTjkyRjWy, QkcdeghhijkkmrstuvwyxRzNekCsDyVFG

PROBLEM: spLygfzuQKlCQWHQDDIaDqKQXgk, wlIXytMQKlCQWHQDDIaDqLqq

SOLUTION: spLygfzuacdddhiklqqqqwKQXgk, wlIXytMacdddhiklqqqqwLqq

PROBLEM: dMtJfC, sItJCM

SOLUTION:
dMjtfC, sIjtCM