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]: AKzxFKwALnIhj, NEXYzxFKwAvJzd
[A]: AKafkwxzLnIhj, NEXYafkwxzvJzd


[Q]: GUXETpjlzTNSuYPLHVCltMhwVghVjtxntBJcUHeQvGDTy, DkUryowrKrvaaLPLHVCltMhwVghVjtxkWHLzDYQ
[A]: GUXETpjlzTNSuYcghhhjllmpttvvvwxntBJcUHeQvGDTy, DkUryowrKrvaaLcghhhjllmpttvvvwxkWHLzDYQ


[Q]: DQgmHu, KxgmVz
[A]:
DQgmHu, KxgmVz


