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]: HUdpmbfDcAQVtTbfmcGfI, GpUTTjymZXdpmbfDcAQVtTbfDaBIxZbwhRK
[A]: HUabbcddffmpqttvmcGfI, GpUTTjymZXabbcddffmpqttvDaBIxZbwhRK


[Q]: VvhlwACZkfWgxNZSqFtjnRtlJOf, PuYJOhgWgxNZSqFtjfVjEDKsrS
[A]: VvhlwACZkffgjnqstwxznRtlJOf, PuYJOhgfgjnqstwxzfVjEDKsrS


[Q]: cWnMiTvPrjDfYtjWGEqMlOWqFoOijypYQ, BnZsrNDfYtjWGEqMlOWqcRgslIxVRyHm
[A]:
cWnMiTvPrjdefgjlmoqqtwwyFoOijypYQ, BnZsrNdefgjlmoqqtwwycRgslIxVRyHm