In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2539, 'd', 'm', 'G', 4549, 'E', 6043, 'Q', 'D', 1877, 'C', 6831, 3735, 'h', 7903, 7799, 2381, 'I', 8473, 163, 9361, 'J', 2855, 6919, '7353', 'J', '4891', '5267', '1713', '3077', 'x', 'B', '7577', 'w', 'f', 'u', 'x', 'C', 'k', '6681', '337', '1771', '7735', '6091', '7209', '1351', '7599', 'y', '343', '9815', '5747', 'h', 's', 'F', 'M', 7045, 'j'], [2805, 4221, 4319, 'J', 9247, 7119, 'z', 2897, 337, 'L', 'N', 3773, 'f', 'p', 'Y', '7353', 'J', '4891', '5267', '1713', '3077', 'x', 'B', '7577', 'w', 'f', 'u', 'x', 'C', 'k', '6681', '337', '1771', '7735', '6091', '7209', '1351', '7599', 'y', '343', '9815', '5747', 'h', 'U', 3939, 3639, 'w', 'K', 'A', 8833, 'Z', 8471, 'J', 8955, 'b', 5623, 809, 'h', 'n', 'n', 6455, 8467, 'Y', 'K', 'N', 9051, 'B', 6749, 'Q', 'V']