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

Ex Input:
[4693, 'L', 7881, 9637, 'y', 's', 1851, '7315', 'i', 'I', '9393', '79', '279', '4549', '7217', '897', '2329', '5301', '3337', '9273', 'Z', 'a', 5545, 6795], ['t', 'W', 4149, 'h', 'M', 'A', 4569, 2677, '7315', 'i', 'I', '9393', '79', '279', '4549', '7217', '897', '2329', '5301', '3337', '9273', 'r', 2423, 6015, 3755, 6699, 'p', 39, 'h', 'b']

Ex Output:
7315, i, I, 9393, 79, 279, 4549, 7217, 897, 2329, 5301, 3337, 9273


Ex Input:
[933, 9413, 9683, 'd', 'R', 'f', 'x', 2517, 4291, 'D', 'c', 2831, 2199, 'o', 'K', 'K', 'P', 'T', 'C', '1751', '237', 'u', '7787', '4341', '1887', '6747', 'D', 'C', 'b', 'f', 'h', '6639', '1087', 'g', 'L', 'x', 'p', '3027', 'g', 'f', 'P', 'k', 'H', 1087, 9801, 'F', 9949, 7761, 'b', 'A', 'o', 'N', 'Q', 211, 9203, 'f', 4985, 'b', 9801, 9441, 821, 'a', 7155, 'T', 'P', 'F', 3369], [4525, 5493, 'K', 'P', 'T', 'C', '1751', '237', 'u', '7787', '4341', '1887', '6747', 'D', 'C', 'b', 'f', 'h', '6639', '1087', 'g', 'L', 'x', 'p', '3027', 'g', 'f', 'P', 'f', 'V', 3251, 'q', 'K', 'n', 3051, 'o', 1663, 6951, 2459, 'G', 2891, 2967, 1203, 4519, 2995, 'A', 'V', 9399, 1581, 'B', 'C']

Ex Output:
K, P, T, C, 1751, 237, u, 7787, 4341, 1887, 6747, D, C, b, f, h, 6639, 1087, g, L, x, p, 3027, g, f, P


Ex Input:
['S', 10029, 2583, '7297', '2681', 't', '8693', '6951', '4715', 'z', 'j', '4849', 'l', '6287', '445', '2927', 'U', 79, 3255, 'o', 6587, 'D'], [8197, 'i', 'z', 2257, 6113, 5859, 4117, 1593, 'K', '7297', '2681', 't', '8693', '6951', '4715', 'z', 'j', '4849', 'l', '6287', '445', '2927', 'O', 5213, 'a', 8077]

Ex Output:

7297, 2681, t, 8693, 6951, 4715, z, j, 4849, l, 6287, 445, 2927