In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['W', 'V', 8691, 6473, 1367, 't', 'l', 695, 8493, 63, 1059, 'G', 8829, 6179, 8587, 'e', 'H', 'e', 'S', 'M', 'j', 'm', '6407', '9487', 's', 'E', '4845', '6897', 'P', 'S', 'O', 'C', 'O', '2855', '4807', 'X', 'x', 'r', 'e', 't', '8823', '8615', '6669', '9473', 't', 'Z', '5979', '7649', 'p', 'B', 5533, 'X', 'M', 8117, 1821, 6295, 1555, 7383, 4833, 511, 'V', 7289, 'y', 2101, 9979, 657, 9831, 'O', 8571, 'J', 'q', 7253], [8557, 1771, 'X', 'R', 1705, 'h', 8981, 'w', 'W', 393, 'i', 'M', 'j', 'm', '6407', '9487', 's', 'E', '4845', '6897', 'P', 'S', 'O', 'C', 'O', '2855', '4807', 'X', 'x', 'r', 'e', 't', '8823', '8615', '6669', '9473', 't', 'Z', '5979', '7649', 'F', 5709, 'E', 5589, 'I', 'g', 'i', 1219]