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]: sgAefJpyOwC, JnOfJpyNm
[A]: sgAefjpyOwC, JnOfjpyNm


[Q]: iBMLXNmOMTtrqxM, bnGdvxGMLXNmOMTjXnk
[A]: iBlmmmnotxtrqxM, bnGdvxGlmmmnotxjXnk


[Q]: QrJNvkCBfLF, NJdrvkCBFU
[A]:
QrJNbckvfLF, NJdrbckvFU