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: IvGCxiBIYILtNMKGIdXOMPwcuxZK, sqEIyBIYILtNMKGIdXOMLVRnOTwCCWKU

Answer: IvGCxibdgiiiklmmnotxyPwcuxZK, sqEIybdgiiiklmmnotxyLVRnOTwCCWKU


Question: ggcfnOmxYQb, rOHVXcfnOmjNmAh

Answer: ggcfmnoxYQb, rOHVXcfmnojNmAh


Question: tGfiNzbEL, NDsfiNzbxCB

Answer:
tGbfinzEL, NDsbfinzxCB