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]: ycqjaxvEgovMBWqRDrjptgnlrhhfBO, SjyMBWqRDrjptgnlqAW
[A]: ycqjaxvEgovbdgjlmnpqrrtwrhhfBO, SjybdgjlmnpqrrtwqAW


[Q]: GpDEcNmPxRXWfIVaRXtePpattPuxz, NfqNQBXWfIVaRXtePpamAXXLcGG
[A]: GpDEcNmPxRaaefipprtvwxxttPuxz, NfqNQBaaefipprtvwxxmAXXLcGG


[Q]: CwMlUmzYzE, pyblUmzYoQMm
[A]:
CwMlmuyzzE, pyblmuyzoQMm