In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7037, 6919, 'v', 2193, 'D', 'l', 5631, 659, 'o', 2911, 8147, 'B', 4309, 5647, 'I', 8371, 2323, 8413, 'L', 'K', 'g', 5471, 'R', 2459, 'r', '3779', '7763', 'w', 'k', '9407', '3741', '6247', '6405', '1465', 'Z', 'A', 'B', '973', 'r', '961', '2355', '7063', 'S', 'P', '3407', '1139', 'i', '71', '3819', 'F', 'l', 'N', 'z', 'V', 'B', 'p', 4565, 2925, 'W', 3903, 3259, 419], ['V', 'u', 4931, 5735, 4955, 6773, 3241, 3495, 'h', 'C', 'e', 6813, 1025, 'B', 'C', 'r', '3779', '7763', 'w', 'k', '9407', '3741', '6247', '6405', '1465', 'Z', 'A', 'B', '973', 'r', '961', '2355', '7063', 'S', 'P', '3407', '1139', 'i', '71', '3819', 'F', 'J', 8279, 'I', 2351, 1085, 3773, 8195, 'A', 'i', 7893, 'O', 6607, 3621, 925, 1763, 4839, 'b', 'u', 'Q', 'N', 'q', 5035, 'X']