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]: IHmQAZ, YRmQBK
[A]: IHmqAZ, YRmqBK


[Q]: UXSWEIvWZsXRkGQxAcDKqmyrXGfpCuQiBbuW, BetqsXRkGQxAcDKqmyrTaRsaxqhZkJWt
[A]: UXSWEIvWZacdgkkmqqrrsxxyXGfpCuQiBbuW, BetqacdgkkmqqrrsxxyTaRsaxqhZkJWt


[Q]: wFULhrJyGWJCuEdXizJaK, qWXtVeOrqcqFrJyGWJCuEdXizJYaaDpIThzhJiF
[A]:
wFULhcdegijjjruwxyzaK, qWXtVeOrqcqFcdegijjjruwxyzYaaDpIThzhJiF