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

['d', 2317, 'y', 8487, 'r', 4789, 5525, '3961', '1747', 'v', '7423', '847', 'a', '4969', 'T', 'L', '5383', 'W', 'U', 5749, 9533, 'T', 'Z', 'x'], [1401, 'F', 9303, 'w', 4629, 9053, 'k', 7351, 1261, '3961', '1747', 'v', '7423', '847', 'a', '4969', 'T', 'L', '5383', 'o', 'q']
3961, 1747, v, 7423, 847, a, 4969, T, L, 5383

[9779, 'C', 8839, 1257, 9375, 6513, 3027, 'c', 4415, 8523, 3873, '4225', '3367', 'c', 'f', '477', '7185', '6657', 'z', 'f', 'H', 'l', 'p', 'F', '7941', 'M', '4439', 'R', '9505', 's', 'R', 'x', 'w', 'Z', 993], ['H', 'e', 4231, 'R', 1623, 773, 2271, 'w', 'V', 8053, 3873, 'x', 'O', 'S', 311, '4225', '3367', 'c', 'f', '477', '7185', '6657', 'z', 'f', 'H', 'l', 'p', 'F', '7941', 'M', '4439', 'R', '9505', 's', 'R', 'x', 'w', 'v', 'F', 'L', 6355, 't', 1707, 'y', 2711, 'u', 5697]
4225, 3367, c, f, 477, 7185, 6657, z, f, H, l, p, F, 7941, M, 4439, R, 9505, s, R, x, w

[343, 7413, 'b', '6905', 'o', '6619', '6751', '1987', '4863', '467', '7481', 'z', '9141', 'J', 'o', '5701', '4873', '8907', 'S', '8167', '2037', '9039', 'A', 'r', 'q', '4603', 'Z', '3821', 'x', 'x', 2025, 'a', 'R', 9097, 3623, 'T'], ['U', 4639, 'i', 4499, 2545, 'G', 'c', 6365, 9437, 'y', 'P', 1781, 8983, 'w', 7099, 'X', 'u', 'z', 8535, 'Y', 'H', 'a', 'F', '6905', 'o', '6619', '6751', '1987', '4863', '467', '7481', 'z', '9141', 'J', 'o', '5701', '4873', '8907', 'S', '8167', '2037', '9039', 'A', 'r', 'q', '4603', 'Z', '3821', 'j', 9091, 'd', 'C', 'k', 233, 2181, 'a', 6533, 'W', 'K', 7051, 8999, 'w', 8101, 'U', 8561, 'f', 1913, 'N', 'I', 'u', 'J', 't']

6905, o, 6619, 6751, 1987, 4863, 467, 7481, z, 9141, J, o, 5701, 4873, 8907, S, 8167, 2037, 9039, A, r, q, 4603, Z, 3821