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]: sKiwhEqCqZKpVIblkimXVWEEdXqwBKf, UGSlJMLrKpVIblkimXVjcXHRTVBs
[A]: sKiwhEqCqZbiikklmpvvxWEEdXqwBKf, UGSlJMLrbiikklmpvvxjcXHRTVBs


[Q]: GOVKVmAFGNpyDbuMgqqxUTyW, jskvQVFGNpyDbuMgqumdQorB
[A]: GOVKVmAbdfggmnpquyqxUTyW, jskvQVbdfggmnpquyumdQorB


[Q]: KQcOOgFeQqtdBOYWGUGnNIrf, gOIEVCgFeQqtdBOYSHQlckLT
[A]:
KQcOObdefgoqqtyWGUGnNIrf, gOIEVCbdefgoqqtySHQlckLT