In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9377, 2173, 'B', 4533, 'f', 115, 'P', 1285, 9851, 5839, '4609', '6695', '5671', 'A', 'K', 's', 'C', '625', '9167', '3875', 'z', '39', 't', 'T', 'H', 'N', '3579', '8045', '1629', 'a', 'F', 'K', '7583', 'P', '5463', '1257', 'R', '5593', 'o', 'u', 1077, 2135, 'M', 'd', 'u', 'd', 'v', 9521, 6753, 9487, 'g', 'L', 'R', 7605, 'P', 2195, 4725, 5961, 'P', 8743, 't', 'T', 3539], [2967, 8587, 'T', 'c', 4413, 1833, 1749, 'V', 'j', 'Y', 'Y', 'h', 'I', 'X', 2535, 4619, 5887, 's', 's', 8693, 6305, '4609', '6695', '5671', 'A', 'K', 's', 'C', '625', '9167', '3875', 'z', '39', 't', 'T', 'H', 'N', '3579', '8045', '1629', 'a', 'F', 'K', '7583', 'P', '5463', '1257', 'R', '5593', 'o', 'F', 'b', 597, 'z', 2687, 'j', 8885, 9653, 4271, 'B', 'i', 'Q', 'o', 5153, 'Z', 9, 'h']