In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8993, 'i', 'N', 'I', 'a', 'w', 'o', 1709, 'l', 2897, 's', 'H', '1871', 'W', 'i', 'g', '2653', '4151', 'q', '2881', '919', 'b', 'b', '6507', 'R', '385', 'q', 'A', '1185', '753', 'u', 'R', 'c', 'H', 5895, 9797, 'D', 'v', 5011, 1387, 3877, 8031], ['o', 9415, 'M', 8245, 5231, 4549, 'A', 'Z', 8787, 'G', 'R', 7633, 's', 'H', '1871', 'W', 'i', 'g', '2653', '4151', 'q', '2881', '919', 'b', 'b', '6507', 'R', '385', 'q', 'A', '1185', '753', 'u', 'R', 'c', 'i', 3973, 'I', 9829, 'b', 'Y', 'F', 'h', 3117, 't', 9801, 'm', 'q']