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]: ['X', 4261, 'm', 7859, 4443, 287, 7605, 'X', 'z', 6017, 2097, 2447, 8915, 4657, 375, 81, 'I', 'C', 'T', 7455, 7461, 'W', 'e', 'n', 'O', '1627', '5687', '421', '1005', '2703', '2689', '2227', '6679', '5031', 'y', 'n', '2949', 'j', '7753', '1135', 'A', 't', 'b', 'x', 'B', 'D', 2439, 'Q', 'l', 'D', 3245], ['J', 'o', 3361, 8709, 8719, 'e', 'n', 'O', '1627', '5687', '421', '1005', '2703', '2689', '2227', '6679', '5031', 'y', 'n', '2949', 'j', '7753', '1135', 'A', 't', 'b', 'x', 'B', 'g', 'r', 4351, 'F', 2243, 8191, 5111, 6683, 'Y', 3647, 't', 'f', 2885, 5435, 7467, 'S', 9159, 8145, 'H', 'z']
[A]: e, n, O, 1627, 5687, 421, 1005, 2703, 2689, 2227, 6679, 5031, y, n, 2949, j, 7753, 1135, A, t, b, x, B


[Q]: ['L', 871, 8167, 5129, 9667, 'E', 3851, 2661, 4755, 841, 8445, 'R', 3027, '5377', '6639', '7165', '1237', '7973', '8609', 'n', '1121', '1747', '1133', '5237', 'S', '2765', '8675', '2891', 'L', '8439', 'C', '6781', 'h', 'c', 'f', '7243', 'g', '7551', '3849', '9621', 'u', 'D', 121, 't', 'L', 'v', 7739, 8769, 9401, 9551, 's', 'C', 'f', 7207, 6177, 'D', 'o', 7509, 7263, 'i', 'R', 'J', 'J', 'A', 8317, 'r', 4325], ['m', 'n', 369, 'r', 'k', 'q', 't', 1017, 1103, 6389, 6017, 3417, 291, 577, 5993, 1321, 'l', 'u', 1631, '5377', '6639', '7165', '1237', '7973', '8609', 'n', '1121', '1747', '1133', '5237', 'S', '2765', '8675', '2891', 'L', '8439', 'C', '6781', 'h', 'c', 'f', '7243', 'g', '7551', '3849', '9621', 'u', 'X', 7167, 'F', 5039, 'T', 855, 't', 'x', 8879, 219, 'X', 1821]
[A]:
5377, 6639, 7165, 1237, 7973, 8609, n, 1121, 1747, 1133, 5237, S, 2765, 8675, 2891, L, 8439, C, 6781, h, c, f, 7243, g, 7551, 3849, 9621, u