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]: iWGQpnsUkTbFeZiCQJ, tKTDrpnsUkTbFLS
[A]: iWGQbfknpstueZiCQJ, tKTDrbfknpstuLS


[Q]: OYRYmYrRaGpBtLCLp, PLqYjmvrRaGpBtUxhcim
[A]: OYRYmYabgprrtLCLp, PLqYjmvabgprrtUxhcim


[Q]: xarbvMEaHRRgfoOdokA, JnzevbQbzavMEaHRRgfopiBTGbU
[A]:
xarbaefghmorrvOdokA, JnzevbQbzaaefghmorrvpiBTGbU