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]: qHHFtWLuthssmzESzpAsjKASPGVCYbWcxhSpmZJgTTWSKD, mtgYJRnQliQSzpAsjKASPGVCYbWIRjOAoKeM
[A]: qHHFtWLuthssmzEaabcgjkppsssvwyzcxhSpmZJgTTWSKD, mtgYJRnQliQaabcgjkppsssvwyzIRjOAoKeM


[Q]: mnNbBszKKMrLcjregtqHJursvAFm, gGjrLcjregtqHULVuyni
[A]: mnNbBszKKMceghjlqrrtJursvAFm, gGjceghjlqrrtULVuyni


[Q]: XdkIAvngFPMIrjzhrPQYUFxJmXom, mVxFvpMIrjzhrPQYAHQ
[A]:
XdkIAvngFPhijmpqrryzUFxJmXom, mVxFvphijmpqrryzAHQ