In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 'm', 'F', 'z', 8135, 'r', 'e', 3633, 'O', 'h', 'j', '231', 'z', 'M', 'y', '1731', '357', '1799', 'Y', '9767', '4417', '2061', 'N', 'r'], [8387, 129, 'W', 'P', 6571, 'O', 'h', 'j', '231', 'z', 'M', 'y', '1731', '357', '1799', 'Y', '9767', '4417', '2061', 'a', 'H', 8053, 'C', 'L', 8213, 'v', 8491, 'F', 's', 3359, 1581, 'H', 'l']