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.
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Question: fhfHkRKXxhXrwmzvUjMkm, RtAJdXxhXrwmzvUGg

Answer: fhfHkRKhmruvwxxxzjMkm, RtAJdhmruvwxxxzGg


Question: CdPPnFyYoKxgL, ggBUPPnFyYoKYEAqlqLF

Answer: CdfknoppyyxgL, ggBUfknoppyyYEAqlqLF


Question: PGqtZzRoLMqimtg, FhXPzRoLMqkR

Answer:
PGqtZlmoqrzimtg, FhXPlmoqrzkR