In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2389, 1227, 'v', 2701, 5365, 'C', 'T', 4909, 'f', 5507, 'x', 4791, 9815, 'Y', '7579', 'F', 'M', '1193', 'L', '8619', '7713', '9917', '2751', '9845', '1395', '6667', 'd', 'F', '8595', 'U', '1891', '6595', 's', 'x', 'W', 'p', 'Z', 'j', '4475', 'j', '2077', 'G', 49, 9519, 7577, 9555, 283, 803, 8999, 'Z', 867, 9103, 'm', 'J', 'M', 'G', 7561, 179, 'Q', 9789, 163, 5773, 3305, 'w', 8611, 9897], ['r', 5979, 8571, 1269, 'p', 5027, 'w', 9363, 'j', 2449, '7579', 'F', 'M', '1193', 'L', '8619', '7713', '9917', '2751', '9845', '1395', '6667', 'd', 'F', '8595', 'U', '1891', '6595', 's', 'x', 'W', 'p', 'Z', 'j', '4475', 'j', '2077', 'P', 'e', 'z', 8561, 'g', 8125, 'a', 3265, 2003, 5175, 5873, 'L', 3443, 'K', 'Q', 5099, 8433, 8947, 397, 37, 889, 2105]