In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8083, 'g', 2781, 'W', 'V', 'b', 4537, 'Y', 5691, 8041, 5159, 'y', '6503', '7469', 'd', 's', '7795', 'J', '9109', '741', 'f', 'W', 'Q', '8369', 'R', 'E', 'c', 3895, 'K', 'Z'], ['r', 'U', 4631, 9317, 'a', 'k', 'y', '6503', '7469', 'd', 's', '7795', 'J', '9109', '741', 'f', 'W', 'Q', '8369', 'R', 'A', 'Y', 1023, 9529, 'a', 1089, 759, 377, 'o']