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]: WjemuglHKVxDGesugZAiNRNFPYHkF, CLvHKVxDGesugZxOrMlwKn
[A]: WjemugldegghksuvxzAiNRNFPYHkF, CLvdegghksuvxzxOrMlwKn


[Q]: UavQtLUICEJzHMDv, tVjjvXBnpwwvQtLUICEJzHMKbFJzU
[A]: UacehijlmqtuvzDv, tVjjvXBnpwwcehijlmqtuvzKbFJzU


[Q]: pdnhfDsNUYHBOqyQmhrdsBCKkkYToBfUMbVDmewFbTM, fvGlUTUkcdsBCKkkYToBfUMbVDmewyIbVADp
[A]:
pdnhfDsNUYHBOqyQmhrbbbcddefkkkmmostuvwyFbTM, fvGlUTUkcbbbcddefkkkmmostuvwyyIbVADp