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:
PnNPjxynHNoZYjlahCmB, kJUNRxbNPjxynHNoIjhEbHrX
answer:
PnhjnnnopxyZYjlahCmB, kJUNRxbhjnnnopxyIjhEbHrX


question:
aVEgot, iCEgyQ
answer:
aVegot, iCegyQ


question:
aZqQse, VAqQCq
answer:

aZqqse, VAqqCq