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

Q: ['C', 9451, 'a', 'c', '1879', '7201', 'H', '3431', 'u', 17], ['t', 37, '1879', '7201', 'H', '3431', 'X', 7267, 'Z']

A: 1879, 7201, H, 3431
****
Q: [8495, 'H', 1935, 'Z', 'd', 4509, 'a', 5225, 9009, 'm', 'B', 's', 'H', 553, 1899, 'e', 5239, 9357, '6827', '1793', '9409', '2597', '3093', '8337', 'x', 'K', '6425', 's', 'h', '9337', 'F', 't', 'Y', '4249', 'v', '1611', 'T', 'F', 'X', '7719', 'N', 'O', 'Y', '9169', 'W', 8889, 'w', 'x', 'W', 'N', 'L', 703, 'v', 'L', 'A', 'z', 'J', 6407, 9779, 8049, 'u', 'u', 271, 'x', 6175, 433, 'C', 'a', 4817], [787, 'j', 'T', '6827', '1793', '9409', '2597', '3093', '8337', 'x', 'K', '6425', 's', 'h', '9337', 'F', 't', 'Y', '4249', 'v', '1611', 'T', 'F', 'X', '7719', 'N', 'O', 'Y', '9169', 'L', 'M', 'D', 'W', 3667, 'O', 'D', 1233, 'X', 3483, 'g', 779, 2951, 9855, 'J', 6069, 2303, 245, 5151, 'O', 'K']

A: 6827, 1793, 9409, 2597, 3093, 8337, x, K, 6425, s, h, 9337, F, t, Y, 4249, v, 1611, T, F, X, 7719, N, O, Y, 9169
****
Q: [5085, 'Q', 'B', 5223, 'y', '3545', '1477', '3571', '4297', '535', '6613', 'X', 'J', 'x', 'Y', 'o', '2153', '9699', 'Z', 'J', '8377', '3515', '8337', '2121', 'C', 'F', 'g', 5163, 'm', 5633, 'n', 'v', 4753, 4455, 'D', 5763, 'x', 887], [5471, 9379, 'V', 803, 'G', 2491, 'y', '3545', '1477', '3571', '4297', '535', '6613', 'X', 'J', 'x', 'Y', 'o', '2153', '9699', 'Z', 'J', '8377', '3515', '8337', '2121', 'C', 'F', 'R', 7643, 5789, 'v', 'x', 6891, 'P', 'C', 8837, 'd', 9507]

A:
y, 3545, 1477, 3571, 4297, 535, 6613, X, J, x, Y, o, 2153, 9699, Z, J, 8377, 3515, 8337, 2121, C, F
****
