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

['x', 9943, 'K', 'O', 'g', 6603, 1275, 'x', 6903, 'c', 9999, 8825, 2529, 'r', 9149, 'W', 6857, 'A', 'c', '551', 'U', '7103', '453', '4397', 'z', '3567', '8685', '4895', 'k', '6657', '8493', 'Z', 'J', 'y', 'v', 'r', 'J', 'g', '3679', '1287', 'p', 6153, 'A', 'S', 8797, 3097, 8983, 'e', 1335, 'L', 'k'], ['N', 3687, 'j', 325, 'I', 'A', 'T', 2921, 'm', 'Z', 9267, 'U', 3985, 7851, 5999, 'b', 'c', '551', 'U', '7103', '453', '4397', 'z', '3567', '8685', '4895', 'k', '6657', '8493', 'Z', 'J', 'y', 'v', 'r', 'J', 'g', '3679', '1287', 'G', 'K', 8039, 7189, 8641, 'x', 'P', 'v', 7977]
c, 551, U, 7103, 453, 4397, z, 3567, 8685, 4895, k, 6657, 8493, Z, J, y, v, r, J, g, 3679, 1287

[2765, 'r', 'p', 'k', 'G', '6021', '1013', 's', 'f', '6081', '4495', '2193', 'p', 'E', 2613, 9463, 55, 'w'], [1351, 'U', 'i', 5485, 'G', '6021', '1013', 's', 'f', '6081', '4495', '2193', 'A', 'n', 'Q', 'z', 'U', 'E']
G, 6021, 1013, s, f, 6081, 4495, 2193

['i', 'g', 9365, 8291, 9753, 6461, 3825, 'h', 7925, 'i', 'O', 4989, 'm', 9845, 'D', 'u', '3117', 'Y', 'T', 'r', 'L', 'j', 'F', 'C', 'u', '9185', '6911', 'x', '9755', '7037', '5961', 'y', 'W', '5169', 'p', 6605, 671, 'V', 9561, 2235, 'e', 4339, 7809, 'W', 'L', 3885, 'z', 8813, 379, 7511, 'R', 7093], ['J', 913, 333, 'm', 'O', 'u', '3117', 'Y', 'T', 'r', 'L', 'j', 'F', 'C', 'u', '9185', '6911', 'x', '9755', '7037', '5961', 'y', 'W', '5169', 'j', 6545, 8327, 3171, 'K', 'm', 'L', 3901, 'G', 35, 'j', 'q', 'n', 119, 'Y', 5481, 'I', 'M']

u, 3117, Y, T, r, L, j, F, C, u, 9185, 6911, x, 9755, 7037, 5961, y, W, 5169