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]: GcbTopXVAbvjDPcX, tsFbTopXVAckyfBF
[A]: GcaboptvxbvjDPcX, tsFaboptvxckyfBF


[Q]: RWLWMsyWPiuSoFsmZXYxKoZQEMO, DnuSoFsmZXYxKoZQtNzzk
[A]: RWLWMsyWPifkmooqssuxxyzzEMO, DnfkmooqssuxxyzztNzzk


[Q]: rivxmHChXFzUaLzNAqkBiQCbrNEWMWTGWZxdVO, YnzaYUxGoIElfRsChXFzUaLzNAqkBiQdbd
[A]:
rivxmHaabcfhiklnqquxzzCbrNEWMWTGWZxdVO, YnzaYUxGoIElfRsaabcfhiklnqquxzzdbd