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.

Q: uGuYwmYDCKGC, mHuwmYDCKnJoz

A: uGuYcdkmwyGC, mHucdkmwynJoz
****
Q: qudKAIgtuKZRIMoJXLySnXVyfFJUrsJMW, ngkSnkTiTQlTxAIgtuKZRIMoJXLySnzkSEIkHEJootrGk

A: qudKagiijklmnorstuxyzXVyfFJUrsJMW, ngkSnkTiTQlTxagiijklmnorstuxyzzkSEIkHEJootrGk
****
Q: GUAuFpIryrTvzCgUJKnqTwCIxRFFNCkIfpEYIVArbF, HxxBUJKnqTwCIxRFFNCkBthdREO

A:
GUAuFpIryrTvzCgccffijkknnqrtuwxIfpEYIVArbF, HxxBccffijkknnqrtuwxBthdREO
****