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: PKtzvbzSnbjXXo, dAzvbzSnbjXRtkDrxN

A: PKtbbjnsvxzzXo, dAbbjnsvxzzRtkDrxN
****
Q: rjtuVgerpGwVmqzUjRZPExMuFQYdL, FieLJfVOlpwVmqzUjRZPExMymltNjNIkmyFR

A: rjtuVgerpGejmmpqruvwxzzuFQYdL, FieLJfVOlpejmmpqruvwxzzymltNjNIkmyFR
****
Q: qcDtQmustIXPxiR, CYmustIXPkiw

A:
qcDtQimpstuxxiR, CYimpstuxkiw
****