instruction:
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.
question:
zWpTHOcrlBIQuHTSuocf, yrFKFsqcrlBIQuHTSBPPVrCUjwK
answer:
zWpTHObchilqrstuuocf, yrFKFsqbchilqrstuBPPVrCUjwK


question:
XVrYDcuUfslOg, knDcuUfslVnB
answer:
XVrYcdflsuuOg, kncdflsuuVnB


question:
LCZELzkPQRGIhCcTsjISlYgnWYyPmarolP, sEAgkpjuwPQRGIhCcTsjISlYgnWhEsJEZXoaNT
answer:

LCZELzkccgghiijlnpqrsstwyYyPmarolP, sEAgkpjuwccgghiijlnpqrsstwyhEsJEZXoaNT