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]: IHmQAZ, YRmQBK
[A]: IHmqAZ, YRmqBK


[Q]: ldnPvADM, SyPvAtIY
[A]: ldnapvDM, SyapvtIY


[Q]: GSJPOlfmlBaHdMlnAefOMeaJV, SaROYpChBaHdMlnAefdIbI
[A]:
GSJPOlfmlaabdefhlmnOMeaJV, SaROYpChaabdefhlmndIbI