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

Ex Input:
[3233, 5891, 'C', 'a', 861, 1163, 'k', 'Z', 5517, 'h', 3411, 2441, 507, 's', 'f', 'e', 205, 7893, 't', 's', 'i', '1937', '6727', 'g', 'A', '7263', 'c', 'N', 'W', '1551', 'v', 'j', '153', '5151', 'u', 'H', '6455', '2023', 'f', 'J', '3107', 'r', '4811', 'I', 'k', 'V', 'S', 'V', 7601, 9467, 9511, 'b', 'u', 'X', 'G', 9739, 't', 'N', 3657, 8599, 5567, 6039, 'E', 'S', 't', 'V', 'g', 3377, 'E', 2209], ['g', 'o', 5979, 4497, 'M', 'S', 'd', 'h', 3177, 1275, 's', 'o', 2109, 'Y', 3819, 'v', 3237, 3351, 8809, 'b', 'k', 'H', 'y', 1519, 1669, 's', 'i', '1937', '6727', 'g', 'A', '7263', 'c', 'N', 'W', '1551', 'v', 'j', '153', '5151', 'u', 'H', '6455', '2023', 'f', 'J', '3107', 'r', '4811', 'I', 'k', 'V', 'S', 's', 'b', 8281, 'H', 5969, 1903, 1471, 'c', 'C', 'M', 'G', 'O', 6993, 'R', 'M', 8933, 'f', 'r', 3619, 1857, 1037, 'w', 8845, 'Z', 4635]

Ex Output:
s, i, 1937, 6727, g, A, 7263, c, N, W, 1551, v, j, 153, 5151, u, H, 6455, 2023, f, J, 3107, r, 4811, I, k, V, S


Ex Input:
[2087, 5665, 'W', 'H', 6711, '8181', 'q', '1949', 'j', '7351', 'g', 5827, 4893, 9173], [5187, 4249, '8181', 'q', '1949', 'j', '7351', 'w', 'Z', 'C', 3255]

Ex Output:
8181, q, 1949, j, 7351


Ex Input:
[4083, 5047, '969', '803', '6157', 'H', 'i', 'c', 'U', 7301], ['s', 'q', '969', '803', '6157', 'H', 'N', 4137]

Ex Output:

969, 803, 6157, H