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]: xWIdFjwbKTGyXyCQu, xzJtDdFjwbKTGyXOhLRpv
[A]: xWIbdfgjktwxyyCQu, xzJtDbdfgjktwxyOhLRpv


[Q]: qOMBaLZKIHXDWwbKQZsNXKtWLiGEvqY, WCxNkmcCrOezHXDWwbKQZsNXKtWLiGsVYQlTMIfp
[A]: qOMBaLZKIbdghikklnqstwwwxxzEvqY, WCxNkmcCrOezbdghikklnqstwwwxxzsVYQlTMIfp


[Q]: YlwMfoZlrsIhYkqQqfUylnFOpzeoGWi, KFXgnhWjzTiYkqQqfUylnFOpVaLfY
[A]:
YlwMfoZlrsIhffklnopqqquyyzeoGWi, KFXgnhWjzTiffklnopqqquyyVaLfY