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]: mxcgcvUKfdq, NbwcvUKfPfXv
[A]: mxcgcfkuvdq, NbwcfkuvPfXv


[Q]: jqRWpVkwluUnvIKBvS, bAhxcbtvikwluUnvIKBnaJi
[A]: jqRWpVbikklnuuvwvS, bAhxcbtvibikklnuuvwnaJi


[Q]: WdemMT, tlemhs
[A]:
WdemMT, tlemhs