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.

[EX Q]: QudTwFxaQuBShQMhpo, gPWFxaQuBShuO
[EX A]: QudTwabfhqsuxQMhpo, gPWabfhqsuxuO

[EX Q]: mUUeycBdgZXcFXANpahZDXRJxRBYTXnOpFb, QXXGRqEKqXANpahZDXRJxRBTaZntpsEJ
[EX A]: mUUeycBdgZXcFaabdhjnprrxxxzYTXnOpFb, QXXGRqEKqaabdhjnprrxxxzTaZntpsEJ

[EX Q]: PlFNroOTqWHjnRtVCNsqvopmlvmEtRlNKkO, lrldCZzayMRDBIoOTqWHjnRtVCNsqvHRqrswBYqKHQD
[EX A]:
PlFNrchjnnooqqrsttvvwopmlvmEtRlNKkO, lrldCZzayMRDBIchjnnooqqrsttvvwHRqrswBYqKHQD