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:
bDbwpQIjXevPyyIaVXxpGE, zvpbbwpQIjXevPylWBoo
answer:
bDbeijppqvwxyyIaVXxpGE, zvpbbeijppqvwxylWBoo


question:
zcJGmqFsTiaDfVpEVFmaMucJIyrkhMeirns, EuyiRvouyiaDfVpEVFmaMucJIPUcHErhU
answer:
zcJGmqFsTaacdeffiijmmpuvvyrkhMeirns, EuyiRvouyaacdeffiijmmpuvvPUcHErhU


question:
fqbUKltQPPLKQyZhkTPnQ, iKMsHWIgPPLKQyZhkTBIoiCZj
answer:

fqbUKltQhkklppqtyzPnQ, iKMsHWIghkklppqtyzBIoiCZj