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: zfWMjauTfJPqSlRSsJmzQWBuUjXPPDYAaJ, tbqrsVovHlAfPqOuTfJPqSlRSsJmzQWBuUjDhKHvt

SOLUTION: zfWMjabfjjjlmpqqrssstuuuwzXPPDYAaJ, tbqrsVovHlAfPqObfjjjlmpqqrssstuuuwzDhKHvt

PROBLEM: ZxmEOHMYjZgkwNCkTJI, vxHSDUKgMYjZgkwNCkhEPNSvhjC

SOLUTION: ZxmEOHcgjkkmnwyzTJI, vxHSDUKgcgjkkmnwyzhEPNSvhjC

PROBLEM: YSZJvNAssRscNnQMFtgnfzLYRKLvmhbqMUqIxBCw, XuWgAPuBtkCjdYLJtPNnQMFtgnfzLYRKLvmhMUyGORn

SOLUTION:
YSZJvNAssRscffghkllmmnnnqrtvyzbqMUqIxBCw, XuWgAPuBtkCjdYLJtPffghkllmmnnnqrtvyzMUyGORn