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: IQZcUStgd, DHZcUShT

A: IQcsuztgd, DHcsuzhT
****
Q: qzVbMhKmCaYBuBMnpCWQyXWmqFegRmnBspHjGsfhgoty, IZQBuBMnpCWQyXWmqFegRmmlrWtQFW

A: qzVbMhKmCaYbbcefgmmmnpqqruwwxynBspHjGsfhgoty, IZQbbcefgmmmnpqqruwwxymlrWtQFW
****
Q: gyoGQNPTkiFkZaxDWgTGaCU, OTeJyqqfiFkZaxDWgTDswivj

A:
gyoGQNPTkadfgiktwxzGaCU, OTeJyqqfadfgiktwxzDswivj
****