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]: WhJmtgTnAPGxbobfzbShRCgqISwnYz, QrZcdHibAPGxbobfzbShGfvyYQsBVPvq
[A]: WhJmtgTnabbbfghopsxzRCgqISwnYz, QrZcdHibabbbfghopsxzGfvyYQsBVPvq


[Q]: JkqeobLHEutiYSB, QziLHEutiQLanJ
[A]: JkqeobehiltuYSB, QziehiltuQLanJ


[Q]: bBmfOiDwxSwd, CSdfOiDwYFrYI
[A]:
bBmdfiowxSwd, CSddfiowYFrYI