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:
UUkyPqerTOMGwXfz, QwyuMperTOMGXUnZCO
answer:
UUkyPqegmortwXfz, QwyuMpegmortXUnZCO


question:
AKzxFKwALnIhj, NEXYzxFKwAvJzd
answer:
AKafkwxzLnIhj, NEXYafkwxzvJzd


question:
kjMkJTojkSnguOShdhfDpCgkbugJSaeuTPVXAZO, uuyHwedRkfWSXREHySZcdhfDpCgkbugJSaeuTPVXQPWhwMeuW
answer:

kjMkJTojkSnguOShabcddefgghjkppstuuvxAZO, uuyHwedRkfWSXREHySZcabcddefgghjkppstuuvxQPWhwMeuW


