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: qccHaxTFbqIXCDb, fguxTFbqAN

A: qccHabfqtxIXCDb, fgubfqtxAN
****
Q: xCimmuAnQj, jtZtmmuACx

A: xCiammunQj, jtZtammuCx
****
Q: IgZwqmKHqzLXsrxtUkqxlTBuWkqRNphbHCUsalAVGnhQY, zWyBpfnArKlTBuWkqRNphbHCUsalAVgLpVCIBS

A:
IgZwqmKHqzLXsrxtUkqxaabbchhkllnpqrstuuvwGnhQY, zWyBpfnArKaabbchhkllnpqrstuuvwgLpVCIBS
****