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

['d', 6171, 9855, 'D', 'e', '299', 'y', 'U', 'n', 'x', 'f', 2817, 7263, 2945, 'h'], [5759, 2135, '299', 'y', 'U', 'n', 'x', 'g', 2571, 'd']
299, y, U, n, x

[6103, 'W', 'k', 931, 'r', 'v', 'w', 'X', '5537', '3209', '4831', 'R', '2093', 'U', 'b', 'w'], [9617, 'F', 3411, 'X', '5537', '3209', '4831', 'R', '2093', 'U', 'O', 9311, 5805]
X, 5537, 3209, 4831, R, 2093, U

['B', 2727, 'C', 'B', 'Y', 245, 't', 5809, 'i', 9357, 'j', 'L', 367, 4747, 'o', 6363, 5041, 'A', 'X', 'Y', 6179, 3237, 2681, 'c', 'y', 'o', 'l', '3647', '7155', '3363', '9207', 'W', '369', 's', 'C', '6453', 'B', '665', '2147', 'y', '4895', '8733', 'd', 'Q', '8573', 'K', 'z', '3257', '5799', '9089', 'a', 't', '5421', '6377', '6093', 'U', 'd', 'F', 'p', 'w', 'u', 5801, 433, 'A'], [5555, 7237, 5307, 6167, 'I', 5695, 3689, 'j', 'u', 4207, 'u', 2163, 'e', 'M', 'o', 'l', '3647', '7155', '3363', '9207', 'W', '369', 's', 'C', '6453', 'B', '665', '2147', 'y', '4895', '8733', 'd', 'Q', '8573', 'K', 'z', '3257', '5799', '9089', 'a', 't', '5421', '6377', '6093', 'n', 'v', 4727, 757, 'A', 'E', 3137, 'A', 'H', 'h', 'D', 'D', 9599, 209, 'v', 'B', 'E', 'r', 5459, 'T', 'l', 'J', 3095, 3183, 1155, 9207, 3557, 6669, 'I', 133]

o, l, 3647, 7155, 3363, 9207, W, 369, s, C, 6453, B, 665, 2147, y, 4895, 8733, d, Q, 8573, K, z, 3257, 5799, 9089, a, t, 5421, 6377, 6093