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.

Q: IkeXoIMMRvtr, wAUXoIMMVkK

A: IkeimmoxRvtr, wAUimmoxVkK
****
Q: HUdpmbfDcAQVtTbfmcGfI, GpUTTjymZXdpmbfDcAQVtTbfDaBIxZbwhRK

A: HUabbcddffmpqttvmcGfI, GpUTTjymZXabbcddffmpqttvDaBIxZbwhRK
****
Q: tnuYAfhmNMRVGHaSdnPcM, METxXjQNMRVGHaSdnnBPkHl

A:
tnuYAfhmadghmnnrsvPcM, METxXjQadghmnnrsvnBPkHl
****