In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 4895, 'I', 'e', 6991, 'P', 'R', 8005, 'P', 8109, 'V', 'O', 'W', 3669, 7067, 'o', 'z', 6159, 4305, 'a', '3835', '7313', 'c', 'J', '1717', 'd', '8779', '619', 'I', 'w', 't', '9859', 'D', 'D', '3525', '6879', 'c', '9303', '4589', '1277', 'd', '7723', 'A', 'H', 'I', 'r', 8659], ['H', 7575, 475, 'f', 'A', 'H', 9749, 9695, 4299, 'P', 907, 4891, 'x', 'k', 'r', '3835', '7313', 'c', 'J', '1717', 'd', '8779', '619', 'I', 'w', 't', '9859', 'D', 'D', '3525', '6879', 'c', '9303', '4589', '1277', 'd', '7723', 'A', 'k', 7903, 5539, 2437, 1757, 1689, 'a', 3001, 'p', 'M', 'Z', 'M', 'm', 'J', 'N', 'M']