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:
GSoAbfIOCcUNOsGYiHKAuZUlrqZHikiKp, zTNlgHOKxdFcUNOsGYiHKAuZkWohvB
answer:
GSoAbfIOCacghiknosuuyzUlrqZHikiKp, zTNlgHOKxdFacghiknosuuyzkWohvB


question:
xjATcwhYGWNBSjvWxAcROmJz, XZTcwhYGWNBSjvWxQHmLSAZOlda
answer:
xjAbcghjnstvwwwxyAcROmJz, XZbcghjnstvwwwxyQHmLSAZOlda


question:
KQuGsQhfbHanvvRZAG, LeCfEUYfbHanvvPGoBG
answer:

KQuGsQhabfhnvvRZAG, LeCfEUYabfhnvvPGoBG