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]: HppGPOPPMFSMx, HwYYPOPPMFDajE
[A]: HppGfmopppSMx, HwYYfmopppDajE


[Q]: BKuXhGDTMiDdhyWOPJXLkJtQpBj, DNdmTDTMiDdhyWOPlFyaazQGc
[A]: BKuXhGdddhimoptwyJXLkJtQpBj, DNdmTdddhimoptwylFyaazQGc


[Q]: CIBbflRmVxePUrNgDWAybaMdpYsPxdM, QzbflRmVxePUrNgDWAyUHJrLSe
[A]:
CIBabdefglmnprruvwxybaMdpYsPxdM, QzabdefglmnprruvwxyUHJrLSe