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: KgJSwpXpfz, zBJSwpIt

SOLUTION: KgjpswXpfz, zBjpswIt

PROBLEM: jtrfilAzZA, NBCwrfilRe

SOLUTION: jtfilrAzZA, NBCwfilrRe

PROBLEM: DQpfDKS, CVzpfDouT

SOLUTION:
DQdfpKS, CVzdfpouT