In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['r', 3327, 'b', 'u', 4327, 2185, 3285, 'O', 't', 1995, 'b', 'J', 5187, 9443, 'z', 'H', 'i', 'L', 'g', 'J', 'v', '1289', '4263', '9813', '755', '1435', 'Z', 'O', 'U', '9357', '6283', '5711', 'i', '3005', '533', 'c', 's', 'q', 'F', 'Q', '1729', 'j', '6245', '9525', '8065', 'W', 2157, 7183, 9087], ['P', 'h', 8619, 5525, 'S', 1687, 'b', 'z', 3823, 4063, 547, 'v', 4667, 3821, 5915, 'N', 'V', 5625, 295, 'g', 'J', 'v', '1289', '4263', '9813', '755', '1435', 'Z', 'O', 'U', '9357', '6283', '5711', 'i', '3005', '533', 'c', 's', 'q', 'F', 'Q', '1729', 'j', '6245', '9525', '8065', 'U', 'M', 'I', 'W', 'k', 'W', 'z', 337, 2589, 9855, 3031, 'q', 7259, 2153, 'y', 7839, 2929, 3639, 'F', 2557, 'b', 2009, 315, 433]