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:
ikCBVXiyPWrsySdNsMut, JCiVRgMtmEVXiyPWrsySdQyEgUlXoEFp
answer:
ikCBdiprssvwxyyNsMut, JCiVRgMtmEdiprssvwxyyQyEgUlXoEFp


question:
QGGzKtsDZUcBZOXxltgv, HirVtsDZUcBZzkadlnT
answer:
QGGzKbcdstuzzOXxltgv, HirVbcdstuzzzkadlnT


question:
PyqLGPPRESzZZAzhyQeCPfP, izXPRESzZZAzADA
answer:

PyqLGPaeprszzzzhyQeCPfP, izXaeprszzzzADA