In this task, you are given two strings A, B. Find the longest common substring in the strings A and B.

aeQjEeiWGONmzGimhGiw, RIEeiWGONmOZuVYr
EeiWGONm

zqwhMdAdXQfQCAmVNaYZm, toYMIwQeadAdXQfQCAmLyheFOv
dAdXQfQCAm

qwPAJItnmzBNQVS, DrJMItnmzmcDhX

Itnmz