In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8479, 7917, 'F', 9891, 291, 's', 1409, 'B', 'o', 297, 1089, 4479, 'k', 209, 'Z', 'z', 6249, 9829, 1217, '1257', 'X', 'Z', 'k', '7835', '85', '4023', 'i', '5557', 'Z', '8659', 'b', 'g', 'N', 'A', '10021', 'W', 'p', '7711', '2801', 't', '5317', 'N', 'p', '9781', 'x', 'A', '9653', 'C', '9289', 'J', 6667, 'T', 3283, 2837, 'b', 'b', 8633, 1711, 'z', 'C', 1015, 'z', 5591, 1435, 7067, 'R', 'M', 'q', 8595, 4809, 4225, 't', 591, 3721, 1639, 5177, 'Q', 'H', 'Q'], [8657, 203, 'o', '1257', 'X', 'Z', 'k', '7835', '85', '4023', 'i', '5557', 'Z', '8659', 'b', 'g', 'N', 'A', '10021', 'W', 'p', '7711', '2801', 't', '5317', 'N', 'p', '9781', 'x', 'A', '9653', 'C', '9289', 'f', 8239, 6745, 7393, 'A', 's', 2719, 671, 'L', 6723, 2749, 7011]