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: UbLICNLaLoAkwQRcXsmLgRjrNHCS, ghFQRcXsmLgRjrNHqmFaCIxDHW

A: UbLICNLaLoAkwcghjlmnqrrrsxCS, ghFcghjlmnqrrrsxqmFaCIxDHW
****
Q: wfPpyEYqACIJvLRjmnGx, aZAIuqACIJvLNAab

A: wfPpyEYacijlqvRjmnGx, aZAIuacijlqvNAab
****
Q: FYrABFQDPfQj, bPrABFQHD

A:
FYabfqrDPfQj, bPabfqrHD
****