In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[145, 'v', 's', 711, 'I', 6775, 'e', 's', 2987, 3297, 'l', 8235, 'q', 'M', 7383, 'm', 3555, 1357, 6717, 'o', 9081, '4145', '1597', '8749', 'Y', '9419', 'A', '449', '2257', 'L', 's', 'z', 'k', '453', '8797', '8507', 'E', 'X', 'n', '4611', 'Y', 'j', '2773', 'V', 'k', 'M', 'w', 4887, 'o'], [9163, 6277, 5371, 5129, 'g', 2861, 6393, 'e', 4299, 7021, 'u', 2335, 'p', 2167, 3143, 'U', 4009, 'q', '4145', '1597', '8749', 'Y', '9419', 'A', '449', '2257', 'L', 's', 'z', 'k', '453', '8797', '8507', 'E', 'X', 'n', '4611', 'Y', 'j', '2773', 'V', 'k', 'M', 'V', 'r', 'n', 't', 's', 2585, 4355, 'q', 8533, 5875, 8967, 't', 'o', 8599, 3685, 3843, 'O', 9949, 435, 'b', 7325, 'i']