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

['m', 'h', 'M', 'j', 'M', 'F', 7689, 9611, 1519, 'V', 6121, 'Z', 's', 'b', '1371', '363', 'b', 'k', 'x', '5639', '5751', 'O', 'T', '8333', 'O', '9781', 'm', 'W', '5261', '793', 'j', 'i', 'E', '1429', '4885', '3445', '2645', 'C', '2513', 'F', 'V', 7253, 1007, 'f', 169], [5135, 8071, 1807, 9695, 'W', 8959, 'q', 3537, 'W', 'r', 'M', 567, 'y', 5865, 'N', 'A', 5453, 'V', 3857, 1767, 'k', 5539, 7431, 'b', '1371', '363', 'b', 'k', 'x', '5639', '5751', 'O', 'T', '8333', 'O', '9781', 'm', 'W', '5261', '793', 'j', 'i', 'E', '1429', '4885', '3445', '2645', 'C', '2513', 'w', 2107, 6027, 4335, 1445, 'F', 'F', 3621, 'D', 'E', 'q', 7013, 'O']
b, 1371, 363, b, k, x, 5639, 5751, O, T, 8333, O, 9781, m, W, 5261, 793, j, i, E, 1429, 4885, 3445, 2645, C, 2513