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]: IYrrNaWQsyCBbnevQKryGHbooGBwlMYxsHecm, toaOdsyCBbnevQKryGHboulbMmOoCSKkDmFg
[A]: IYrrNaWQbbbceghknoqrsvyyoGBwlMYxsHecm, toaOdbbbceghknoqrsvyyulbMmOoCSKkDmFg


[Q]: rgszEhiguElUHlDuOjGGixp, DteiguElUHlDuNWTi
[A]: rgszEhdeghilluuuOjGGixp, DtedeghilluuuNWTi


[Q]: aVEgot, iCEgyQ
[A]:
aVegot, iCegyQ