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

['F', 175, 'f', 8443, 3869, 'X', 8987, 's', 'x', 'r', '6805', '843', 't', 'g', 'T', '8865', 'K', '9607', 'G', '4521', 'z', 'E', 'T', 9337, 'B', 3133, 10013], [2067, 3211, 'U', 'S', 8949, 'N', 'r', '6805', '843', 't', 'g', 'T', '8865', 'K', '9607', 'G', '4521', 'z', 'Q', 1511, 'X', 1105, 3303, 'u', 8705, 'j']
r, 6805, 843, t, g, T, 8865, K, 9607, G, 4521, z

[3707, 6473, 'o', '495', '3897', 'O', 'x', '2409', '6843', '3477', '5411', 'G', 9269, 5835, 2723, 'm', 'n', 6209], [7513, 4579, 6017, 7723, '495', '3897', 'O', 'x', '2409', '6843', '3477', '5411', 'w', 'T', 'g', 'M', 'V']
495, 3897, O, x, 2409, 6843, 3477, 5411

['o', 'W', 7987, 'q', 'K', 8665, 'X', '8031', 'V', 'U', 'S', 't', 'G', '4731', 'P', 'b', 'Q', 'i', 'l', 'u', '5391', 'z', '8907', 'f', 'y', 'c', 'n', 'W', 't', 3441, 'h', 'E', 6901, 'b', 'u', 'f', 'l'], ['i', 1529, 7285, 8339, 'n', 'O', 'g', 265, 1493, 'r', 8479, 'U', '8031', 'V', 'U', 'S', 't', 'G', '4731', 'P', 'b', 'Q', 'i', 'l', 'u', '5391', 'z', '8907', 'f', 'y', 'c', 'n', 'W', 's', 2515, 'P', 7913, 6985, 'N', 4789, 'y', 1685, 9195, 'P', 'y', 'I', 4667, 'A', 'K', 'b', 'v', 6145, 'y', 947]

8031, V, U, S, t, G, 4731, P, b, Q, i, l, u, 5391, z, 8907, f, y, c, n, W