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: bHxXkTLyaCY, BAQgaxXkTLyppOq

A: bHkltxxyaCY, BAQgakltxxyppOq
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Q: ToXDYmPRTlxAEVKuErGQstYFYfqnbTJdpXyOqLb, ybAEVKuErGQstYFYsrhDg

A: ToXDYmPRTlxaeefgkqrstuvyyfqnbTJdpXyOqLb, ybaeefgkqrstuvyysrhDg
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Q: MuxAwryWhpmrQCvKnOLUEikHuusVFpsxrWEPOt, iFyDvwkcZEvyvKnOLUEikHuusVMfXznSG

A:
MuxAwryWhpmrQCehikklnosuuuvvFpsxrWEPOt, iFyDvwkcZEvyehikklnosuuuvvMfXznSG
****