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: MNVvkPiPlyjkSfzLcyqbyaUNZMiCdKMbeCvOccjmI, mrxzLcyqbyaUNZMiCztkkftnqdaDOYd

A: MNVvkPiPlyjkSfabccilmnquyyzzdKMbeCvOccjmI, mrxabccilmnquyyzzztkkftnqdaDOYd
****
Q: kXyfgXRT, CayfgGQ

A: kXfgyXRT, CafgyGQ
****
Q: cXpcbkHPAoIifehuLrbCtvZJIyu, fxDudqpNLTfLoIifehuLrbCtvZJuJCv

A:
cXpcbkHPAbcefhiijlortuvzIyu, fxDudqpNLTfLbcefhiijlortuvzuJCv
****