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

['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

['u', 'U', 'a', 'Z', 'b', 'Q', 'D', 5239, 6595, 1793, 'f', '7733', '5727', '3047', '4951', '8907', 'D', '5105', 'i', '1837', 'i', 'Y', 'b', '5769', 'p', '1767', 'Y', 'B', 'q', '4075', '917', 'c', 'm', 867, 585, 1765], [5201, 'W', 'a', 'k', 9031, 4815, '7733', '5727', '3047', '4951', '8907', 'D', '5105', 'i', '1837', 'i', 'Y', 'b', '5769', 'p', '1767', 'Y', 'B', 'q', '4075', '917', 'c', 'X', 2991, 3377, 2933, 5359, 6073, 8921, 789, 'W', 7037, 9953, 'N', 8007, 1755, 1959, 9619]
7733, 5727, 3047, 4951, 8907, D, 5105, i, 1837, i, Y, b, 5769, p, 1767, Y, B, q, 4075, 917, c

[6077, 1965, 8067, 1587, 529, 6801, 3445, 7875, 'K', 1843, 5237, 'b', 'T', '5291', 'm', 'c', '3705', 'e', '9575', 'R', '3987', '7293', '3139', '3663', '5983', 'W', 'B', '5849', 'N', 'q', '665', 'K', '665', '4303', '5763', 'K', 'k', 'w', 'p', 17, 'E', 'h', 9059, 1239, 2507, 1063, 2313, 1999, 4269, 'm', 7539, 'T', 'n'], [9051, 4265, 8895, 'w', 5605, 4307, 5171, 1937, 'c', 5669, 5293, 7877, 'A', '5291', 'm', 'c', '3705', 'e', '9575', 'R', '3987', '7293', '3139', '3663', '5983', 'W', 'B', '5849', 'N', 'q', '665', 'K', '665', '4303', '5763', 'K', 'k', 'w', 'x', 'Y', 'o', 'n', 8303, 4123, 9855, 629, 6499, 'c', 'a', 'l']

5291, m, c, 3705, e, 9575, R, 3987, 7293, 3139, 3663, 5983, W, B, 5849, N, q, 665, K, 665, 4303, 5763, K, k, w