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

['N', 9837, 'S', 'f', 'z', '7671', '5131', '2773', '3435', '2525', '2621', 'k', '1113', 'u', '9269', '4517', 'B', 'a', 'R', 'T', '3077', 'h', 'q', 'z', 'w', 'z', 'i', 9307, 1877, 1633, 9823, 'u', 'u', 8629, 'M', 411, 135, 'J', 'H', 'b', 'm', 669, 'i', 6935], [685, 6231, 'z', '7671', '5131', '2773', '3435', '2525', '2621', 'k', '1113', 'u', '9269', '4517', 'B', 'a', 'R', 'T', '3077', 'h', 'q', 'z', 'w', 'n', 2383, 2123, 5545, 'j', 'q', 4387, 2801]
z, 7671, 5131, 2773, 3435, 2525, 2621, k, 1113, u, 9269, 4517, B, a, R, T, 3077, h, q, z, w

['B', 's', 'G', 3817, 'Y', '3253', 's', 'W', '2755', 'I', '8231', 'T', 'm', 'j', '1003', '133', 'o', 'Y', 'Y', 'N', 'Q', '8799', '3455', 'B', 997, 8067, 3771, 1367, 1903, 811, 'Z', 8913], ['l', 223, 's', 'B', 'H', 9633, 6875, 'O', 5231, 'Y', '3253', 's', 'W', '2755', 'I', '8231', 'T', 'm', 'j', '1003', '133', 'o', 'Y', 'Y', 'N', 'Q', '8799', '3455', 'O', 'k', 'l', 5187, 'j', 9867, 'Z', 8963, 'b', 2165, 213, 'r', 9723, 's', 8303]
Y, 3253, s, W, 2755, I, 8231, T, m, j, 1003, 133, o, Y, Y, N, Q, 8799, 3455

[3443, 945, 'v', 9249, 2273, 'K', '4719', '343', 'L', '937', '4953', 'l', 'a', 'P', '1897', '4555', '5989', 'l', '3875', '979', 'c', 'V', '9389', '3333', 'z', '6687', '9177', 'W', 5531, 4709, 'q', 8869, 'T', 'Y', 'K', 'l', 2237, 'R', 'R', 1863, 1809, 9789, 965, 307], ['n', 3419, 'P', 8799, 'W', 'z', 6641, 'O', 'o', '4719', '343', 'L', '937', '4953', 'l', 'a', 'P', '1897', '4555', '5989', 'l', '3875', '979', 'c', 'V', '9389', '3333', 'z', '6687', '9177', 'D', 'y', 'B', 5527, 'R', 8377, 8171, 1013, 8373, 7033, 5037, 5389, 'O', 8287, 'y', 9547, 7041, 'M', 'f']

4719, 343, L, 937, 4953, l, a, P, 1897, 4555, 5989, l, 3875, 979, c, V, 9389, 3333, z, 6687, 9177