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: kapurglBwxt, WPurglhrOd

A: kapglruBwxt, WPglruhrOd
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Q: ApUfWZrADPDheCoboJBmmxSBMcukRpdyKtpSl, dprZYZrADPDheCoboJBmmxINAyfbVYlJthRg

A: ApUfWabbcddehjmmooprxzSBMcukRpdyKtpSl, dprZYabbcddehjmmooprxzINAyfbVYlJthRg
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Q: yKsbpMrcMSqJnovPcSHgUH, qMTYacMSqJnovPcvseoj

A:
yKsbpMrccjmnopqsvSHgUH, qMTYaccjmnopqsvvseoj
****