TASK DEFINITION: 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.
PROBLEM: sCBIICDAygeMmdOdBHGT, dwbCPmNEECDAygeMmdOuS

SOLUTION: sCBIIacddegmmoydBHGT, dwbCPmNEEacddegmmoyuS

PROBLEM: zDDwoxpxBRkddcCdYDGiAxrgBTkLwGpJpUr, pSaxBRkddcCdYDGiAxrgjtBxZgqsPVLPyV

SOLUTION: zDDwoxpabccddddggikrrxxyBTkLwGpJpUr, pSaabccddddggikrrxxyjtBxZgqsPVLPyV

PROBLEM: CSQjdtyjxtpBCRMVnbOUuNpItAfcpeBTX, iDxGzglmPdtyjxtpBCRMVnbOUdGskMh

SOLUTION:
CSQjbbcdjmnoprttuvxyuNpItAfcpeBTX, iDxGzglmPbbcdjmnoprttuvxydGskMh

