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

[EX Q]: [6137, 1795, 'J', 9247, 'r', 'w', 'E', 's', '687', 'N', '8213', '1751', '2567', '5673', 'y', '6821', '6863', '8847', 'z', 's', 'N', 'z', 'J', 7209, 'S'], [3317, 657, 3971, 8789, 4953, 9693, 'O', 7845, 'r', 'w', 'E', 's', '687', 'N', '8213', '1751', '2567', '5673', 'y', '6821', '6863', '8847', 'z', 's', 'N', 'z', 'M', 'A', 'B', 'l']
[EX A]: r, w, E, s, 687, N, 8213, 1751, 2567, 5673, y, 6821, 6863, 8847, z, s, N, z

[EX Q]: ['r', 'y', 1455, 'v', 631, 'q', '5453', '9015', '1127', 'R', 'B', '5487', 'M', '7325', 'L', 'D', '2897', 'z', '7191', '3383', 'E', 't', 't', '963', '2363', '3641', '9827', '6879', '3917', 'm', 'Y', 'w', 'T', 'v', 'v', '3263', 'f', 1003, 'E', 't'], ['r', 5091, 'e', 'i', 'L', 'x', 'D', 'q', 'z', 'M', 707, 'N', 'f', '5453', '9015', '1127', 'R', 'B', '5487', 'M', '7325', 'L', 'D', '2897', 'z', '7191', '3383', 'E', 't', 't', '963', '2363', '3641', '9827', '6879', '3917', 'm', 'Y', 'w', 'T', 'v', 'v', '3263', 'F', 4349, 3915, 6951, 7337, 7671, 3435, 9177, 'G', 'h', 'Q', 'j', 'v', 'q']
[EX A]: 5453, 9015, 1127, R, B, 5487, M, 7325, L, D, 2897, z, 7191, 3383, E, t, t, 963, 2363, 3641, 9827, 6879, 3917, m, Y, w, T, v, v, 3263

[EX Q]: ['w', 5217, 'C', 3087, 'n', 6327, 2651, 'G', 'O', 'Q', 'S', 7623, 7317, 'D', 1091, '2051', '1121', 'f', '3623', 'd', '2727', '8587', '3201', '1775', 'P', '8549', '4173', '465', '4489', 'k', '4951', 'j', '3083', '6597', '3213', 'C', 'I', 3649, 5807, 3189, 'g', 'E', 9063, 7815, 5323, 4831, 4809, 1439, 's', 2089, 1165, 2407, 8575, 'B', 'X'], ['W', 9045, '2051', '1121', 'f', '3623', 'd', '2727', '8587', '3201', '1775', 'P', '8549', '4173', '465', '4489', 'k', '4951', 'j', '3083', '6597', '3213', 't', 7723, 'X', 3553, 9977, 'x', 2183, 6813, 347]
[EX A]:
2051, 1121, f, 3623, d, 2727, 8587, 3201, 1775, P, 8549, 4173, 465, 4489, k, 4951, j, 3083, 6597, 3213