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

[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

['d', 897, 't', 1807, 'k', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'z', 'c'], [2741, 'D', 5443, 'Z', 'k', 129, 3339, 'k', 'T', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'd', 4353]
P, 5013, 1811, 9411, U, z, 2793, 3221, 5643, j, 1793, 9507, J, 6147, i, 4383, 723

[4019, 'y', 's', 'w', 's', 2091, 3677, 93, 9299, 3847, 'C', 6205, 2827, 3239, 'E', 'W', 10011, 'l', '6175', '4313', '2155', '4065', 'n', '7151', 'H', '8423', 'O', '6993', 's', '659', 'Q', '2497', '7817', '6023', '6985', 's', '403', '2587', '8311', '2565', '6781', 'E', '7609', '2799', 'b', 'C', 'p', 'C', 6149, 'v', 9595, 'T'], ['X', 'n', 6921, 4619, 5611, 'b', 'v', 7981, 6541, 'y', 'v', 'G', 'L', 'Z', 6873, '6175', '4313', '2155', '4065', 'n', '7151', 'H', '8423', 'O', '6993', 's', '659', 'Q', '2497', '7817', '6023', '6985', 's', '403', '2587', '8311', '2565', '6781', 'E', '7609', '2799', 'b', 'C', 'p', 'u', 6269, 'u', 'H', 'W', 3457, 'l', 6069, 7783, 3277, 5165, 9473, 8825, 'I', 'Y', 'H']

6175, 4313, 2155, 4065, n, 7151, H, 8423, O, 6993, s, 659, Q, 2497, 7817, 6023, 6985, s, 403, 2587, 8311, 2565, 6781, E, 7609, 2799, b, C, p