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

[7491, 'w', 'F', 2929, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'X', 'n', 821, 1983, 'S', 6305, 'O', 6533, 'q', 901, 'U', 2911], [3143, 1605, 4373, 'T', 7055, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'r', 'Z', 943, 861, 8883, 'b', 'n', 3409, 8943, 'M']
6969, 2729, 4371, 6153, a, r, y, h, y, g, C, 1381, 5801, 8697, 4093

['O', 7451, 'c', 'l', 'd', 1685, 969, 3915, 5755, 9909, 't', 2647, 1547, 47, 1357, '3751', 'N', 'e', 's', 'U', '4527', 'r', '2433', '3877', '7033', '1145', '3961', '9009', '895', '3339', '919', 'N', 'a', 'G', '875', 'x', '9761', 'm', 'e', '4989', '6643', '7301', 'v', 'v', 'V', 6177, 'j', 4795, 'Q', 'S', 'C', 'j', 'F', 6489, 'd', 5027, 'X', 'S', 't', 8815, 'B', 1207, 4287, 'k'], [6323, 3123, 'n', 957, 3045, 'k', 'D', 733, 'w', 1209, 'x', '3751', 'N', 'e', 's', 'U', '4527', 'r', '2433', '3877', '7033', '1145', '3961', '9009', '895', '3339', '919', 'N', 'a', 'G', '875', 'x', '9761', 'm', 'e', '4989', '6643', '7301', 'v', 'I', 4827, 6595, 8783, 5041, 1899, 'A', 7411, 'M', 'l', 9545, 'x', 3801, 't', 9619, 9755, 5333, 3885, 9653, 'z', 3467, 'x', 2893, 'o', 'c', 3299]

3751, N, e, s, U, 4527, r, 2433, 3877, 7033, 1145, 3961, 9009, 895, 3339, 919, N, a, G, 875, x, 9761, m, e, 4989, 6643, 7301, v