In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4629, 3557, 'r', '7689', '2485', 'c', 'E', 'f', 'B', '869', '3707', 'B', '5201', '5425', 'f', 'z', '7169', 'S', 'v', 'n', '8329', 'y', 'c', 'E', 'k', 'x', '1203', 'r', 'R', 'S', 'g', 9857, 1719, 1113, 'o', 'T', 'w', 'X'], [4145, 't', 5601, 5191, 'F', 'r', 8965, 'p', 'p', 'F', 'p', 1327, 'r', '7689', '2485', 'c', 'E', 'f', 'B', '869', '3707', 'B', '5201', '5425', 'f', 'z', '7169', 'S', 'v', 'n', '8329', 'y', 'c', 'E', 'k', 'x', '1203', 'r', 'R', 'S', 'B', 9839, 6947, 1737, 5523, 'M', 4945, 'e', 4749, 5369, 'Q', 941, 9833, 'Z', 5567, 'M', 'E', 6511, 'j', 1245, 37, 'T', 5539]