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

[1363, 'O', 'u', '3885', 'y', '2105', '1495', '417', 'n', 9057, 2977], ['x', 'X', '3885', 'y', '2105', '1495', '417', 'X', 2883]
3885, y, 2105, 1495, 417

['R', 't', 'y', '2887', 'x', 4883], [5691, 9457, 'y', '2887', 'u', 'Y']
y, 2887

['b', 2531, 4877, 'L', 'm', 7939, 'W', 9319, 587, 2797, 771, 'm', 'J', 4861, 6745, 'c', 'Z', 'K', 'N', 5435, 'm', 'U', 1739, '7187', 't', 'B', '1089', 'H', '799', '4555', 'w', 'W', '5747', '3215', '9203', 'x', 'u', 'z', '9749', 'V', '1677', '1053', 'H', '1917', 'z', 'V', 'D', 's', 'Q'], [6913, 'N', 8393, '7187', 't', 'B', '1089', 'H', '799', '4555', 'w', 'W', '5747', '3215', '9203', 'x', 'u', 'z', '9749', 'V', '1677', '1053', 'H', '1917', 'z', 'V', 'D', 'G', 1713, 'm', 557, 'h', 7619, 8837, 'S', 'u', 4677, 1797, 'e', 5989, 'C', 'W']

7187, t, B, 1089, H, 799, 4555, w, W, 5747, 3215, 9203, x, u, z, 9749, V, 1677, 1053, H, 1917, z, V, D