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]: BETowVVpjsJFimxmtbCQWD, EfjnLiFVpjsJFimxmtTGBJL
[A]: BETowVfijjmmpstvxbCQWD, EfjnLiFfijjmmpstvxTGBJL


[Q]: grdjXqenIwjoZBXWDxTvdzcpeg, gvXqenIwjoZBXuLe
[A]: grdjbeijnoqwxxzWDxTvdzcpeg, gvbeijnoqwxxzuLe


[Q]: VfXJtpshdnP, TzRdJJtpshdAoYf
[A]:
VfXdhjpstnP, TzRdJdhjpstAoYf