In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['S', 'L', 8637, 'q', 7453, 2965, 'z', 9601, 'G', 'F', 5783, 'a', 3407, 9843, 17, 883, 'p', 6025, 4321, 'v', 'l', 1315, '5241', 'Z', '619', '8453', 'F', '6285', '9031', 't', 'T', 'I', '869', '3001', 'v', 'X', 'T', 'Y', 'V', 'q', '5629', 'L', '9885', 'I', '8129', 'u', 'P', 'T', 'V', 6045, 'U', 1045, 437, 6587, 291, 'm', 3877, 1413, 'D', 3205, 2051, 'C', 8709, 'D', 'W', 8743, 'c'], ['b', 3273, 3727, 1553, 'w', 'Q', 'z', 3903, 529, 2069, 'Z', '5241', 'Z', '619', '8453', 'F', '6285', '9031', 't', 'T', 'I', '869', '3001', 'v', 'X', 'T', 'Y', 'V', 'q', '5629', 'L', '9885', 'I', '8129', 'u', 'P', 'U', 2107, 6031, 1559, 4395, 7085, 7193, 'L']