In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['J', 'n', 'O', 543, 'G', 'A', 3117, 'E', 'A', 2285, 2191, 'M', 6601, 'U', 'n', 'E', 3511, 7339, 8723, 7323, 7647, 'y', 'P', '3787', 'N', '8005', '4215', 'k', 'H', '5571', 't', 'W', 'H', 'V', '3049', 'c', 'S', 'S', 't', '2913', 'C', 'k', '8915', '8387', '8357', 'u', 's', '6909', '7773', '185', 'F', 'u', 'H', 7853, 5535, 'q', 'T'], [9337, 2827, 5583, 2365, 'K', 'T', 707, 4765, 8807, 8109, 'Y', 107, 'O', 'Q', 37, 'R', 4015, 8249, 5375, 6963, 'F', 'h', 5747, 757, 3705, 8013, '3787', 'N', '8005', '4215', 'k', 'H', '5571', 't', 'W', 'H', 'V', '3049', 'c', 'S', 'S', 't', '2913', 'C', 'k', '8915', '8387', '8357', 'u', 's', '6909', '7773', '185', 'F', 'I', 'n', 4969, 'a', 't', 'a', 3437, 'u', 'L', 'G', 'f', 5861, 'N', 'H', 'P', 4231, 'j']