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]: ECTxMCbdgsOAIakxKQHWxHgFDVqrC, hpnLOGhMTpTxMCbdgsOAIakxKqoNSPKx
[A]: ECaabcdgikkmostxxQHWxHgFDVqrC, hpnLOGhMTpaabcdgikkmostxxqoNSPKx


[Q]: NshLGjmFiDuUUGuKwtDPYN, IaYcHcGjmFiDuUUHBQ
[A]: NshLdfgijmuuuGuKwtDPYN, IaYcHcdfgijmuuuHBQ


[Q]: owFlzbiGwpkWnxfKOmGXqVRmFBzLiRMQzscwEuBmCFqRy, wpYeZfKOmGXqVRmFBzLiRMVP
[A]:
owFlzbiGwpkWnxbffgiklmmmoqrrvxzQzscwEuBmCFqRy, wpYeZbffgiklmmmoqrrvxzVP