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

Ex Input:
['n', 'W', 'i', 'K', 2711, 3819, 3121, 537, 'b', 'R', 'a', 'L', 9525, 4387, 'd', 'q', 'V', '8621', 'S', '1969', 'Z', 'd', 'q', '2441', 'h', 'f', '6131', '4119', 'P', 'N', '9983', 'o', 'g', 'V', 7589, 5107, 'j', 'Z', 1463, 6377, 6067, 6867, 6039, 'H', 's', 'E'], [9135, 6091, 'K', 4859, 'q', 'G', 'V', 'p', 8559, 'F', 'X', 9801, 4643, 5531, 7251, 'q', 'V', '8621', 'S', '1969', 'Z', 'd', 'q', '2441', 'h', 'f', '6131', '4119', 'P', 'N', '9983', 'H', 2205, 2319, 2013, 1597, 3171, 'A', 'h', 'c']

Ex Output:
q, V, 8621, S, 1969, Z, d, q, 2441, h, f, 6131, 4119, P, N, 9983


Ex Input:
[5225, 'L', 1023, 8623, 'k', 'f', '1481', 'e', 'm', '4013', 'l', '831', 'n', '3137', 'b', 517], [1243, 't', '1481', 'e', 'm', '4013', 'l', '831', 'n', '3137', 'x', 5545, 's', 'a']

Ex Output:
1481, e, m, 4013, l, 831, n, 3137


Ex Input:
['E', 'R', 2821, 9843, 5071, 2285, 'v', 6439, 'e', '2257', 'e', 'B', '2667', '93', 'm', '665', '89', 'd', 'N', '3269', 'j', 'E', 'M', 7011, 'g', 2113, 8363, 1073, 7513, 6009, 1271, 9171, 3387], ['y', 519, 'M', 8929, 'Z', 'K', 1541, 'L', 'G', 9095, 9375, 6049, 9519, 'e', '2257', 'e', 'B', '2667', '93', 'm', '665', '89', 'd', 'N', '3269', 'j', 'E', 'x', 4757, 'O', 1779, 1653, 3695]

Ex Output:

e, 2257, e, B, 2667, 93, m, 665, 89, d, N, 3269, j, E