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: BETowVVpjsJFimxmtbCQWD, EfjnLiFVpjsJFimxmtTGBJL

A: BETowVfijjmmpstvxbCQWD, EfjnLiFfijjmmpstvxTGBJL
****
Q: iBMLXNmOMTtrqxM, bnGdvxGMLXNmOMTjXnk

A: iBlmmmnotxtrqxM, bnGdvxGlmmmnotxjXnk
****
Q: cSVcpNtamctaAvHDOfkCTznuFxQaW, LnAqJquDJpNtamctaAvHDOfZsJ

A:
cSVcaaacdfhmnopttvkCTznuFxQaW, LnAqJquDJaaacdfhmnopttvZsJ
****