In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2805, 6563, 8899, 'U', 'k', 555, 5401, 8757, 'f', 'h', 10021, '4247', '3997', 'o', '757', '8783', 'O', 'c', '2533', '3103', '999', 'b', 'P', 's', '3357', '5529', 'G', 'b', 'S', 'T', '2951', 'L', 'z', 'h', 8669, 3845, 'w', 9455, 4027, 'c', 8401, 'Z', 'U', 'L', 'E', 'C', 4179], [3789, 2065, 7247, 1183, 'u', 'X', 4083, 'x', 1183, 3899, 'q', 9651, '4247', '3997', 'o', '757', '8783', 'O', 'c', '2533', '3103', '999', 'b', 'P', 's', '3357', '5529', 'G', 'b', 'S', 'T', '2951', 'L', 'z', 'Z', 7713, 6837, 2163, 4387, 'E', 'j', 's']