In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 767, 2639, 8723, 8737, 'f', 'V', 'T', 3555, 'J', 'C', 809, 5697, 'p', 8461, 3629, 3663, 4037, 7383, 'u', 's', 863, 'g', 'b', 'I', 7437, '7903', 'X', 'A', 'K', 'o', 'Y', '5227', 'G', '5257', '3685', '4121', '7473', 'I', 'a', 'X', '7827', '475', 'x', '8357', '7497', '1445', '4851', 'b', '7609', 'f', 'I', '1079', 't', 'k', '5119', 'J', 'p', 7997, 7713, 'v', 'c', 381, 'h', 2191, 8541, 3287, 5425, 'C', 9735, 7023, 2257, 'O', 'U', 7791, 9071, 'p', 6725, 'H', 'z', 'L', 'C', 'w', 5879], ['h', 5995, 'C', 9391, 'R', 'o', 'n', 'A', 'M', 269, '7903', 'X', 'A', 'K', 'o', 'Y', '5227', 'G', '5257', '3685', '4121', '7473', 'I', 'a', 'X', '7827', '475', 'x', '8357', '7497', '1445', '4851', 'b', '7609', 'f', 'I', '1079', 't', 'k', '5119', 'Z', 7301, 571, 'w', 'l', 'i', 2085, 'H', 'C']