In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 3803, 1793, 'i', 'h', 3399, 'j', 'Z', 8715, 'B', 7291, 'j', 5205, 'V', 2777, 'b', 1351, 9803, 'b', 'S', 'X', 7879, 'g', 'N', 'p', 'A', 7695, '8757', '209', '1605', 'D', 'g', 'U', '1233', '4939', 'a', '1321', '4701', '7077', '6437', '8387', 'W', 'Z', 'B', '7589', '1085', 'c', '9387', '1583', 'A', '5329', 'U', '3137', '8193', '3779', 'l', '4701', 'd', 'D', 9061, 'r', 771, 3331, 'i', 2233, 'C', 9445, 'i', 'm', 'i', 5171, 8051, 'N', 7783, 'j', 1891, 5137, 909, 6461, 'h', 'y', 'm'], ['z', 4181, 'r', 'h', 'x', 5731, 'w', 3767, 't', 6013, 'v', 'J', 6013, 'y', 9677, 'P', 'o', 'Y', 'k', 'I', 'f', 2949, 5167, 'U', 'K', 'b', 'y', 189, 'o', '8757', '209', '1605', 'D', 'g', 'U', '1233', '4939', 'a', '1321', '4701', '7077', '6437', '8387', 'W', 'Z', 'B', '7589', '1085', 'c', '9387', '1583', 'A', '5329', 'U', '3137', '8193', '3779', 'l', '4701', 'c', 'l', 'o', 7037, 655, 5269, 'v', 1505, 5439, 'u', 5369, 'Z', 5265, 7119, 4455, 'x', 'I', 1329, 's', 'P', 'Z']