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]: mZFmuGrTqJ, eqwmuGrMBUQ
[A]: mZFgmruTqJ, eqwgmruMBUQ


[Q]: QXwfyMNRdjAqHvlzzwpWUEAUWFbR, uaJClQJhIRdjAqHvlzzwpRw
[A]: QXwfyMNadhjlpqrvwzzWUEAUWFbR, uaJClQJhIadhjlpqrvwzzRw


[Q]: GkUFaTsBtDue, vshjUFaTsMuGrZ
[A]:
GkafstuBtDue, vshjafstuMuGrZ