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.

Input: Consider Input: kXyfgXRT, CayfgGQ

Output: kXfgyXRT, CafgyGQ


Input: Consider Input: XkTIPCgSaqTxsVJ, LycIoCgSaqTxsgAHIRbJ

Output: XkTIPacgqsstxVJ, LycIoacgqsstxgAHIRbJ


Input: Consider Input: AzGUFZNqmRnrPLaihhZKqJXOvW, ocdupNjqmRnrPLaihlo


Output: AzGUFZNahilmnpqrrhZKqJXOvW, ocdupNjahilmnpqrrlo