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: UCYSPdszc, qsYSPdfl

A: UCdpsyszc, qsdpsyfl
****
Q: ldnPvADM, SyPvAtIY

A: ldnapvDM, SyapvtIY
****
Q: krRQIDigOrpNfWURLQRlFxJfJEi, PyFHupNfWURLQRlFvTdsf

A:
krRQIDigOrffllnpqrruwxJfJEi, PyFHuffllnpqrruwvTdsf
****