In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

['S', 4895, 'h', 6721, 'W', 8371, 9167, 3811, 3237, 'U', 'x', 'R', 783, 6037, 9769, 6371, 8745, '7375', '7449', '3345', '8881', '2015', 'o', '3175', '3809', '2331', '2327', '3549', 'p', 'u', '263', '6767', '4499', '4279', 'c', 'S', 'q', 4381, 7327, 'h', 'A', 'P', 't', 1021, 6667, 'X'], ['v', 'G', 8727, 7711, '7375', '7449', '3345', '8881', '2015', 'o', '3175', '3809', '2331', '2327', '3549', 'p', 'u', '263', '6767', '4499', '4279', 'K', 2875, 467, 'x', 'S', 5845, 8137, 33, 'X', 3427, 'C', 9271, 'J']
7375, 7449, 3345, 8881, 2015, o, 3175, 3809, 2331, 2327, 3549, p, u, 263, 6767, 4499, 4279

['m', 'F', 5425, 1403, 6355, 7383, 'Y', 'e', 'K', '10031', 'S', '9599', 'V', 'i', '6919', 'r', 'm', 'I', 'x', '6889', 'M', '1977', 'S', 'c', 'm', '4569', 'F', 'C', 'u', 'N', 2741, 7825, 6521, 'R'], [8389, 7261, 4783, 6181, 6767, 9719, 2625, 'W', 4357, 1749, 887, 153, 8939, 'K', 1329, 'T', 'a', 'k', 'F', 't', 'K', '10031', 'S', '9599', 'V', 'i', '6919', 'r', 'm', 'I', 'x', '6889', 'M', '1977', 'S', 'c', 'm', '4569', 'F', 'C', 'u', 'K', 'E', 'P', 8489, 2309, 'j', 3937, 4731, 'H']
K, 10031, S, 9599, V, i, 6919, r, m, I, x, 6889, M, 1977, S, c, m, 4569, F, C, u

[5337, 'x', 'v', 'k', 'E', 'p'], ['J', 'z', 'v', 'k', 'd', 'z']

v, k