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]: Kchgrz, Rnhgmq
[A]: Kcghrz, Rnghmq


[Q]: obrYJdaUwBXoxoaGqRTeqOPbdpxkcBikvEtBnRKPquFhs, ZDcdDEcoaGqRTeqOPbdpxkcBiQYZ
[A]: obrYJdaUwBXoxabbcdegikooppqqrtxkvEtBnRKPquFhs, ZDcdDEcabbcdegikooppqqrtxQYZ


[Q]: cUvjIZLPUjwnulzs, sNhDjIZLPUjwnulejzj
[A]:
cUvijjllnpuuwzzs, sNhDijjllnpuuwzejzj