In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['E', 'z', 't', 'P', 'o', 8899, '6421', '3583', 'P', '5669', 'D', '8833', '2463', 'g', 'b', 4669, 5393, 'd', 3867], [8595, 6249, 3383, 6833, 6177, '6421', '3583', 'P', '5669', 'D', '8833', '2463', 's', 'c']