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]: GiqRMPxnDvKrkgmUFsvwPCOibzCtGeHhBRGlq, noIbnCcZNTddqLzNnDvKrkgmUFsvwPCOBE
[A]: GiqRMPxcdfgkkmnoprsuvvwibzCtGeHhBRGlq, noIbnCcZNTddqLzNcdfgkkmnoprsuvvwBE


[Q]: isSTHiJNDuNTrqETVZM, CXwHHiJNDuNTrqZVicQQkRY
[A]: isSTdhijnnqrtuETVZM, CXwHdhijnnqrtuZVicQQkRY


[Q]: xKIUOwPgY, izFWIUOwkfsy
[A]:
xKiouwPgY, izFWiouwkfsy