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

[6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']
3657, 9205, b, m, Q

['r', 9177, 1593, 9315, 'C', 'Z', 'w', 'X', '1005', '185', '837', 'p', '2923', 'Y', 'A', 2489, 3955, 1603, 6355], ['I', 'W', 7673, 'm', 'E', 9111, 4177, 9355, 'Z', 'w', 'X', '1005', '185', '837', 'p', '2923', 'Y', 'v', 9065, 2309, 5041, 1047, 1263, 'V', 3483]
Z, w, X, 1005, 185, 837, p, 2923, Y

[5635, 5611, 'i', 'W', 'Z', 'u', 'N', '4877', '2915', 'D', 'q', 'W', '3705', 'v', '7093', '9457', '1867', 'S', '1551', 'l', 'x', 'k', '8057', 'B', 'V', 'z', 'a', 'J', 4287, 6257], ['J', 5573, 'd', 'M', 'r', 'O', 'Y', 4953, 1723, 'u', 'N', '4877', '2915', 'D', 'q', 'W', '3705', 'v', '7093', '9457', '1867', 'S', '1551', 'l', 'x', 'k', '8057', 'B', 'V', 'z', 'a', 'v', 'n', 'M', 7577, 8143, 'F', 'D', 'k', 8687, 9929, 'I', 'N', 1451, 7493, 'V', 6089, 'y', 'i', 'p', 4373]

u, N, 4877, 2915, D, q, W, 3705, v, 7093, 9457, 1867, S, 1551, l, x, k, 8057, B, V, z, a