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]: DVBtxnyvkLcBbqYbUyPJlwazJSqqrTqJRKPvur, xUZYNgKdMgGbcBbqYbUyPJlwazJSqqrRBKEtwFBov
[A]: DVBtxnyvkLabbbcjjlpqqqrsuwyyzTqJRKPvur, xUZYNgKdMgGbabbbcjjlpqqqrsuwyyzRBKEtwFBov


[Q]: pqflhapMQsoYxfYRsIQY, XBWexXwlhapMQsoYxfiOHnzuAKg
[A]: pqfafhlmopqsxyYRsIQY, XBWexXwafhlmopqsxyiOHnzuAKg


[Q]: MhnXXZlNqgbtEWudrJNCavIVn, fcpyJAmlDJXZlNqgbtEWugZb
[A]:
MhnXbeglnqtuwxzdrJNCavIVn, fcpyJAmlDJbeglnqtuwxzgZb