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]: Kchgrz, Rnhgmq
[A]: Kcghrz, Rnghmq


[Q]: karnibOL, obnibCXQ
[A]: karbinOL, obbinCXQ


[Q]: VNYYfaphuMefKBwrryreV, ehXFXCJaaphuMefKBfuMtjiqT
[A]:
VNYYfabefhkmpuwrryreV, ehXFXCJaabefhkmpufuMtjiqT