In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1259, 'C', 4845, 'N', 2947, 'w', 'j', 'B', 'k', 1443, 4087, 1811, 'p', 329, 's', 'r', 4969, 2607, 6523, 953, 'V', 'E', '9241', 'E', 'a', '8999', 'R', 'f', 'r', 'd', 'T', 'b', 'O', 'v', '5271', 'z', '4397', 'I', 'q', '4175', 'B', 'z', '8739', '3105', 'r', 'n', 'u', 'k', 'C', 'S', 'A', 7673, 'X', 'f', 'K', 'z', 'U', 567, 'U', 1915, 'f', 'V', 5559], ['G', 7247, 'F', 'V', 'E', '9241', 'E', 'a', '8999', 'R', 'f', 'r', 'd', 'T', 'b', 'O', 'v', '5271', 'z', '4397', 'I', 'q', '4175', 'B', 'z', '8739', '3105', 'K', 'u', 8141, 999, 'i', 3135, 'E', 5631, 'S', 'f', 8627, 'o', 'b', 4633, 6739, 167, 4069, 8009, 'P', 'S', 4865, 'S']