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:
tdGaqrsWIpQoHrTkGC, bSRIIuWIpQoHrgzsavxi
answer:
tdGaqrshiopqrwTkGC, bSRIIuhiopqrwgzsavxi


question:
KqLRpnPSLQo, iWqkpnPSfF
answer:
KqLRnppsLQo, iWqknppsfF


question:
fFQNoSWimw, eaAQNoSyx
answer:

fFnoqsWimw, eaAnoqsyx