In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 1917, 'V', 'p', 'I', 'F', 'P', 9967, 6923, 5833, 9813, 5613, 'i', 8129, 'i', 'B', 305, 2105, 1775, 9097, 'k', 2091, 'b', 8283, 'k', 'l', '7673', 'r', 'a', 'Q', '4465', '2459', 'R', 'u', 'k', '3175', 'Z', 'C', '2035', 'c', 'A', '5613', 'B', 'A', 'f', 'H', 'g', 'q', 'N', 'R', 'N', 'b', 'i', 'P', 'p', 5819, 'a', 7059, 2519, 'u', 6623, 9747, 'Y', 'P', 'p', 4931, 1461], ['S', 'Y', 'O', 'k', 'l', '7673', 'r', 'a', 'Q', '4465', '2459', 'R', 'u', 'k', '3175', 'Z', 'C', '2035', 'c', 'A', '5613', 'B', 'A', 'f', 'H', 'g', 'q', 'T', 6697, 'C', 'v', 'h', 'c', 'a', 'i', 2267, 'p', 'g', 6613, 8795, 'T', 475, 2889, 'B']