In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7617, 3477, 8677, 3937, 1219, 3201, 'A', 'a', 8283, 2141, 'h', 's', 'a', 2067, 301, 'v', 865, 7657, 's', 'b', 'n', 'A', 'i', '993', 'g', 'O', '4169', 'F', '4131', 'M', 'n', '7679', '6471', 'z', 'a', '3941', 'Z', 't', 'v', '8813', 'W', '2263', '825', '9583', 'l', 6657, 'Z', 6431, 3223, 'd'], [4707, 6995, 6683, 'm', 'k', 'i', 'l', 8643, 3357, 'i', '993', 'g', 'O', '4169', 'F', '4131', 'M', 'n', '7679', '6471', 'z', 'a', '3941', 'Z', 't', 'v', '8813', 'W', '2263', '825', '9583', 'v', 1243, 4113, 'O', 9671, 'L', 'd', 'T']