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

Ex Input:
['r', 9177, 1593, 9315, 'C', 'Z', 'w', 'X', '1005', '185', '837', 'p', '2923', 'Y', 'A', 2489, 3955, 1603, 6355], ['I', 'W', 7673, 'm', 'E', 9111, 4177, 9355, 'Z', 'w', 'X', '1005', '185', '837', 'p', '2923', 'Y', 'v', 9065, 2309, 5041, 1047, 1263, 'V', 3483]

Ex Output:
Z, w, X, 1005, 185, 837, p, 2923, Y


Ex Input:
[2975, 3781, 'D', 'd', 'K', 4033, '3783', 'n', 'k', '327', 't', '9871', '233', 's', 'e', 'P', 3411, 'J', 'e'], [4339, 2811, '3783', 'n', 'k', '327', 't', '9871', '233', 'l', 'f', 4263, 7913]

Ex Output:
3783, n, k, 327, t, 9871, 233


Ex Input:
[2101, 3553, 3707, 'W', 9069, 'z', 'e', 'k', 'c', 2181, 4849, 'R', '9469', 'm', 'x', '2807', 'i', 'E', '679', 'w', 'c', '7763', '3081', 'v', 'O', '8057', '7019', '2803', 'r', '8069', 'Q', 'r', 'K', 7367, 4671, 'G', 'F', 'n', 9369, 4931, 'F', 9547, 'G', 'A', 1731, 1097, 'C', 8293, 9385, 9991, 'r'], ['k', 'V', 4927, 'i', 6011, 6275, 'y', 8833, 'r', 'l', 'R', '9469', 'm', 'x', '2807', 'i', 'E', '679', 'w', 'c', '7763', '3081', 'v', 'O', '8057', '7019', '2803', 'r', '8069', 'Q', 'r', 'l', 5181, 'w', 'o', 4073, 'A', 'x', 'q', 's', 9267, 6639, 1605, 'Y', 9349, 1727]

Ex Output:

R, 9469, m, x, 2807, i, E, 679, w, c, 7763, 3081, v, O, 8057, 7019, 2803, r, 8069, Q, r