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: iQtVgJjESRxDldWIfYxL, XeBegJjESRxDldWPYUiEmPq

A: iQtVddegjjlrswxIfYxL, XeBeddegjjlrswxPYUiEmPq
****
Q: msOpquOnxCCZTyyJieASltzN, iRSTmFgqCCZTyyJienWGDNwdcF

A: msOpquOnxcceijtyyzASltzN, iRSTmFgqcceijtyyznWGDNwdcF
****
Q: hbawhX, QyawXU

A:
hbawhX, QyawXU
****