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]: qccHaxTFbqIXCDb, fguxTFbqAN
[A]: qccHabfqtxIXCDb, fgubfqtxAN


[Q]: PmJZEWv, QRJZEQZF
[A]: PmejzWv, QRejzQZF


[Q]: AGsdExvXFPtEsOTLqgnIGOYJHjjZG, ehLoMRvXFPtEsOTLqgnIGOYCAhlZk
[A]:
AGsdExefggilnoopqsttvxyJHjjZG, ehLoMRefggilnoopqsttvxyCAhlZk