In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 4165, 'L', 'p', 'b', 'l', 'z', 9687, 'w', 'k', 4529, 5373, 9599, 'p', 'm', 'j', 9937, 'M', 'g', 'e', 't', 'a', 7065, 6487, 'I', '53', '6763', '2423', 'Y', 'v', 'e', '4791', 'h', 'd', 'A', 'A', '5491', 'Z', 'L', '6521', 'i', '8203', '9799', '19', '3089', '4517', 'e', 't', '7585', '4099', 'H', 'c', '2313', 'y', 'O', 9633, 2191, 'Y', 9885, 8493, 'b', 'a', 2163, 1667, 9557, 9137, 983, 5899, 9345, 6117, 'R', 7243, 9545, 't', 'Q', 'C', 'G', 'T'], [2171, 3141, 3669, 9441, 581, 2775, 9843, 4971, 4771, 'G', 'v', 1779, '53', '6763', '2423', 'Y', 'v', 'e', '4791', 'h', 'd', 'A', 'A', '5491', 'Z', 'L', '6521', 'i', '8203', '9799', '19', '3089', '4517', 'e', 't', '7585', '4099', 'H', 'c', '2313', 'Z', 9955, 'O', 8105, 'k', 7645, 1943, 'b', 2053, 6031, 'q', 'k', 1499, 4399, 2795, 'K', 'i', 'x', 5615, 'r', 2675, 7417, 8605, 'Y', 'L', 'x', 'J', 'p']