In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 6573, 'a', 9209, 6773, 9629, 7345, 6237, 't', 7055, 'U', '867', 'E', '183', 'S', '1143', '2935', 'I', '8253', 'p', '9117', 'O', 'X', 'v', 'i', '869', '7037', '4679', 'Z', 'g', '1267', 'v', 'z', 7367, 'U', 2183, 'e', 5309, 7083, 533, 'v', 'o', 7747], ['Y', 2507, 'Q', 8095, 1031, 'M', 1125, 8133, 'G', '867', 'E', '183', 'S', '1143', '2935', 'I', '8253', 'p', '9117', 'O', 'X', 'v', 'i', '869', '7037', '4679', 'Z', 'g', '1267', 'R', 409, 'q', 'u', 6023, 7185, 'G', 4225, 'J', 2033, 'n', 889, 4595, 7245]