instruction:
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.
question:
xDkjCqjxnZ, vNoPkjCqNDn
answer:
xDcjkqjxnZ, vNoPcjkqNDn


question:
uZUnsuB, LhUnsrEG
answer:
uZnsuuB, LhnsurEG


question:
HooZneUFmIsNkkMEPIGEhmF, eyZneUFmIsNkkjIxJucx
answer:

HooefikkmnnsuzMEPIGEhmF, eyefikkmnnsuzjIxJucx


