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: xAHxCrBkhwLgbKqzertGd, LJBnBkhwLgbKqzertoGzGJRujTHRgI

A: xAHxCrbbeghkklqrtwzGd, LJBnbbeghkklqrtwzoGzGJRujTHRgI
****
Q: GTYdfOzXuPyBDuLzBSAOklRNXJNOf, YPGUUMOfOzXuPyBDuLzBSPhzlLyyEAZxp

A: GTYdbbdflopsuuxyzzAOklRNXJNOf, YPGUUMObbdflopsuuxyzzPhzlLyyEAZxp
****
Q: HxjqmcWBdRIInUuyecFCPrxkNIBRsRjiSmthEVoHCZuTG, WLaLOuyecFCPrxkNIBRsRjiSwBUTpCMrZKWTrPNiB

A:
HxjqmcWBdRIInUbccefiijknprrrssuxymthEVoHCZuTG, WLaLObccefiijknprrrssuxywBUTpCMrZKWTrPNiB
****