In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[701, 6261, 'k', 1397, 8713, 'q', '5233', 'w', 'g', '4885', '1315', '6919', '3125', '6563', 't', 'f', 'W', 'm', '2595', '239', '7825', 'C', 'L', 'r', 'A', '7425', 'H', '8437', '3117', 'H', 'c', 'p', 3051, 3655, 2691], [5669, 5479, 'm', 'r', 'J', 'd', 2581, 6129, 6601, 'V', 'B', 'H', 2709, 9949, 'V', 6369, 'q', '5233', 'w', 'g', '4885', '1315', '6919', '3125', '6563', 't', 'f', 'W', 'm', '2595', '239', '7825', 'C', 'L', 'r', 'A', '7425', 'H', '8437', '3117', 'H', 'c', 'E', 'S', 8521, 'm', 855, 6167, 'L', 1381, 'e', 'F', 5883, 'z', 6319, 'J']