In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[933, 9413, 9683, 'd', 'R', 'f', 'x', 2517, 4291, 'D', 'c', 2831, 2199, 'o', 'K', 'K', 'P', 'T', 'C', '1751', '237', 'u', '7787', '4341', '1887', '6747', 'D', 'C', 'b', 'f', 'h', '6639', '1087', 'g', 'L', 'x', 'p', '3027', 'g', 'f', 'P', 'k', 'H', 1087, 9801, 'F', 9949, 7761, 'b', 'A', 'o', 'N', 'Q', 211, 9203, 'f', 4985, 'b', 9801, 9441, 821, 'a', 7155, 'T', 'P', 'F', 3369], [4525, 5493, 'K', 'P', 'T', 'C', '1751', '237', 'u', '7787', '4341', '1887', '6747', 'D', 'C', 'b', 'f', 'h', '6639', '1087', 'g', 'L', 'x', 'p', '3027', 'g', 'f', 'P', 'f', 'V', 3251, 'q', 'K', 'n', 3051, 'o', 1663, 6951, 2459, 'G', 2891, 2967, 1203, 4519, 2995, 'A', 'V', 9399, 1581, 'B', 'C']