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:
KtLmLpKGOgyjUnqCdyOoFFsCUqbfjeJY, nPzXbYxvgIZIvNmyjUnqCdyOoFFsCUqWFBbJBHNnf
answer:
KtLmLpKGOgccdffjnooqqsuuyybfjeJY, nPzXbYxvgIZIvNmccdffjnooqqsuuyyWFBbJBHNnf


question:
ldnPvADM, SyPvAtIY
answer:
ldnapvDM, SyapvtIY


question:
wOeVqaMxKOB, gvVQAeVqaMxtVJmu
answer:

wOaemqvxKOB, gvVQAaemqvxtVJmu