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]: EIVZfLYqsuLAasctunNMWtthkVaRcKlInXXN, XKraLAasctunNMWtthkVYbIWlRkEHS
[A]: EIVZfLYqsuaachklmnnstttuvwaRcKlInXXN, XKraaachklmnnstttuvwYbIWlRkEHS


[Q]: dfVZRiICIMrtG, bbkuiICIMFRy
[A]: dfVZRciiimrtG, bbkuciiimFRy


[Q]: sioYgbvHEZHZsdAIB, wckzbUvHEZHZCI
[A]:
sioYgbehhvzzsdAIB, wckzbUehhvzzCI