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:
BOwVmVVR, cRwVmhv
answer:
BOmvwVVR, cRmvwhv


question:
lBAcWYCnqNWPctnbtIlA, smwiQcWYCnqNWPctnbHyIFo
answer:
lBAbcccnnnpqtwwytIlA, smwiQbcccnnnpqtwwyHyIFo


question:
rxhjoXOTyVlgphkTLRs, LLivIpzhTyVlgphkTLAgK
answer:

rxhjoXOghkllpttvyRs, LLivIpzhghkllpttvyAgK