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

[4931, 5661, 8651, 'l', 'd', '9585', 'r', 'U', 'z', '6511', '9443', '2917', 'K', 2179, 5747, 'C'], [3737, 7345, 3921, 'i', 9199, 3269, '9585', 'r', 'U', 'z', '6511', '9443', '2917', 'A', 'd', 185, 'M']
9585, r, U, z, 6511, 9443, 2917

['U', 1887, '8423', 'j', '8053', 'g', '5441', 'H', 'j', 3847, 'd', 'J', 1971, 'M'], ['y', 'T', 'C', 'z', 6299, 5393, '8423', 'j', '8053', 'g', '5441', 'H', 'x', 'f', 4189, 'h', 'e', 6577]
8423, j, 8053, g, 5441, H

['v', 'L', 9631, 2603, 'I', 3109, 3453, 'c', 2981, 815, 'Q', 6333, 5029, 'l', 8515, '8217', '8719', '4001', 'Y', '6567', 'S', '285', 'w', '8553', '1131', '823', 'a', 'v', 'G', 'g', 'a', '3393', '1721', 'i', '3067', '1903', '3191', 'R', '377', '7269', 'F', '2193', '8757', 's', 'K', 'f'], ['Y', 'W', 'u', 675, 9797, 'L', 'X', 'h', 9375, 5051, 'l', 'g', 'h', 't', 2615, 3899, 'y', 'Z', 'A', 'a', 8387, 7509, 3299, 'I', 'P', 'i', 'E', 'J', '8217', '8719', '4001', 'Y', '6567', 'S', '285', 'w', '8553', '1131', '823', 'a', 'v', 'G', 'g', 'a', '3393', '1721', 'i', '3067', '1903', '3191', 'R', '377', '7269', 'F', '2193', '8757', 'c', 'e', 729, 'P', 'V', 9015, 5579, 'S', 5705, 'K', 5367, 'm', 7339, 3619, 'W', 3795, 895, 2971, 8419, 'Q', 'S', 'x', 1173]

8217, 8719, 4001, Y, 6567, S, 285, w, 8553, 1131, 823, a, v, G, g, a, 3393, 1721, i, 3067, 1903, 3191, R, 377, 7269, F, 2193, 8757