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:
mnNbBszKKMrLcjregtqHJursvAFm, gGjrLcjregtqHULVuyni
answer:
mnNbBszKKMceghjlqrrtJursvAFm, gGjceghjlqrrtULVuyni


question:
UCYSPdszc, qsYSPdfl
answer:
UCdpsyszc, qsdpsyfl


question:
SjWplP, cAWpGW
answer:

SjpwlP, cApwGW