In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['S', 8735, '3417', 'o', 'U', '9411', '1011', '929', 'T', '9653', '4007', 'Y', 'V', 'O', '6595', '1873', '8647', 'f', '3959', 'k', '7709', '6639', '59', 'L', 8561, 'B', 'd', 'E', 6849], ['Z', 9111, 6719, 'a', 'n', 745, '3417', 'o', 'U', '9411', '1011', '929', 'T', '9653', '4007', 'Y', 'V', 'O', '6595', '1873', '8647', 'f', '3959', 'k', '7709', '6639', '59', 'C', 5355]