In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5661, 4827, 'L', 'P', 'W', 3525, 'q', 'r', 'v', 55, 'Y', 5851, 'r', 8455, 'Z', 7013, 1641, 'H', 'U', 'I', 1291, 941, 's', '8529', '7867', 'l', 'K', '5195', 'Y', 'f', '4357', 'c', '4995', 'X', '355', '2989', '5295', 'r', '1047', 'B', '8497', 'j', 'A', '4351', 'B', 'g', 'z', 'u', 'w', '9737', 'g', 'K', 7189, 5163, 'J', 5403, 'O', 'S', 9147, 9845, 1453, 'y', 'z', 3513, 'u', 5155, 'h', 2801, 'c'], [5315, 'y', 'U', 4083, 'v', 'w', 7395, 'h', 'h', 7407, 'V', 's', 6665, 'k', 8903, '8529', '7867', 'l', 'K', '5195', 'Y', 'f', '4357', 'c', '4995', 'X', '355', '2989', '5295', 'r', '1047', 'B', '8497', 'j', 'A', '4351', 'B', 'g', 'z', 'u', 'w', '9737', 'E', 7063, 7565, 6991, 4183, 'y', 'N', 123, 1755, 7387, 5375, 'W', 679, 'f', 'V', 9335, 1269, 5073]