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

['e', 'h', 7823, 135, 1983, 'S', 535, 'S', 3653, 'V', 'B', 8013, 9141, 181, 'Y', 'o', 't', 5817, 4695, 3189, 6341, 'k', 'c', '3543', 'Z', 'k', '6417', 'V', '5251', '3217', 'q', 'C', '771', '851', '2399', 'n', 'f', 'b', 'N', '8935', 'G', '3201', 'H', '547', 'W', 519], ['h', 7687, 5083, 1099, 'z', 'n', 1409, 'M', 'Z', 'V', 6941, 'x', 'c', '3543', 'Z', 'k', '6417', 'V', '5251', '3217', 'q', 'C', '771', '851', '2399', 'n', 'f', 'b', 'N', '8935', 'G', '3201', 'H', '547', 'm', 8801, 'Y', 'v', 8353, 7463, 'r', 9769, 'l', 1523, 1909, 'n']
c, 3543, Z, k, 6417, V, 5251, 3217, q, C, 771, 851, 2399, n, f, b, N, 8935, G, 3201, H, 547