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:
dTiGdMbmYkxHwVaCGCyR, dSyQoytaMbmYkxHwLGhMJk
answer:
dTiGdbhkmmwxyVaCGCyR, dSyQoytabhkmmwxyLGhMJk


question:
QXwfyMNRdjAqHvlzzwpWUEAUWFbR, uaJClQJhIRdjAqHvlzzwpRw
answer:
QXwfyMNadhjlpqrvwzzWUEAUWFbR, uaJClQJhIadhjlpqrvwzzRw


question:
YQiYcoFG, xxiYckC
answer:

YQciyoFG, xxciykC