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:
MSJqmysLLeQgl, ZKdjKqmysLkX
answer:
MSJlmqsyLeQgl, ZKdjKlmqsykX


question:
RTpYEyGXDGp, STNPmYEyGXDokwYB
answer:
RTpdegxyyGp, STNPmdegxyyokwYB


question:
ReXzFPTnmrXKzGdxKjgyMBvCAImLCDGfe, CeopTInKzGdxKjgyMBvCAIIgrQCbZUKMCM
answer:

ReXzFPTnmrXabcdggijkkmvxyzmLCDGfe, CeopTInabcdggijkkmvxyzIgrQCbZUKMCM


