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: PesrUHWVVQyJKjxfSR, LhWXkXkUHWVVQywnD

Output: PesrhquvvwyJKjxfSR, LhWXkXkhquvvwywnD


Input: Consider Input: wLZqjUdtWjLGNvFkiebzd, mrUdtWjLGNvFkiJpFXrEfbRIe

Output: wLZqjdfgijklntuvwebzd, mrdfgijklntuvwJpFXrEfbRIe


Input: Consider Input: VbLuvkyexmNvAXde, EqVnrBJLuvkyexmTzAyz


Output: VbeklmuvxyNvAXde, EqVnrBJeklmuvxyTzAyz