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: PmJZEWv, QRJZEQZF

A: PmejzWv, QRejzQZF
****
Q: rUphNtOomrqzlEUPrkcg, teBOomrqzlREerrYy

A: rUphNtlmooqrzEUPrkcg, teBlmooqrzREerrYy
****
Q: EsDAdCzlw, RkAdCUr

A:
EsDacdzlw, RkacdUr
****