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

elloYaejTczBiiNOU, XoCPzloYaejTcXYtKODL
loYaejTc

ScUCglVzZFPjLVofNHOumU, mNodEXwpZFPjLVofYfSnBM
ZFPjLVof

YMSjdTSZonIDQByfyOFQgbU, dLalGpnIDQByfyOTUNnsaPNe

nIDQByfyO