In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['d', 'I', 9903, 3691, 8693, '7795', 'X', 'T', 'K', '7883', '5827', 'W', 'D', '3559', 'e', 'R', 'B', 245, 'D', 2827, 'Z'], ['U', 6989, 'c', 'z', 'l', 'M', 't', 'A', 'x', 'b', 4165, '7795', 'X', 'T', 'K', '7883', '5827', 'W', 'D', '3559', 'e', 'R', 'S', 'V', 9555, 483, 9891, 1125, 'G', 9529, 'C', 'm']