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: ggcfnOmxYQb, rOHVXcfnOmjNmAh

A: ggcfmnoxYQb, rOHVXcfmnojNmAh
****
Q: mQAmqJljgdyjlMcPpFBGlSYvjXyIFS, BcOvAmqJljgdyjlMcPpFBskO

A: mQabcdfgjjjllmmppqyGlSYvjXyIFS, BcOvabcdfgjjjllmmppqyskO
****
Q: UpCtYeMPBkXYWXoaL, IorPBkXYWXaqBJTHo

A:
UpCtYeMbkpwxxyoaL, IorbkpwxxyaqBJTHo
****