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: xWIdFjwbKTGyXyCQu, xzJtDdFjwbKTGyXOhLRpv

SOLUTION: xWIbdfgjktwxyyCQu, xzJtDbdfgjktwxyOhLRpv

PROBLEM: vzYYgyUpJbRRZSvQvMwdOuJvYNwQARCMXGxXDsLLi, AVQcvMwdOuJvYNwQARCMMbyF

SOLUTION: vzYYgyUpJbRRZSvQacdjmmnoqruvvwwyXGxXDsLLi, AVQcacdjmmnoqruvvwwyMbyF

PROBLEM: QFScVgxUMX, edXScVgbR

SOLUTION:
QFcgsvxUMX, edXcgsvbR