In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7437, 2359, 'y', 'g', 'i', 'm', '5661', '8211', '8837', '6063', 'C', '9829', '675', 'o', 'g', 'l', 'Z', 'f', 'J', 'V', '7869', '6451', '6567', 'Z', '4825', 'm', 'e', '9813', '7421', '4487', '3595', 'S', 'T', 8451, 4399, 6777, 6215, 565, 8789, 'q', 'a', 'Q', 4247], [6117, 1227, 3943, 'Z', 9059, 7041, 'O', 949, 'w', 4725, 'm', 5383, 5433, 'x', '5661', '8211', '8837', '6063', 'C', '9829', '675', 'o', 'g', 'l', 'Z', 'f', 'J', 'V', '7869', '6451', '6567', 'Z', '4825', 'm', 'e', '9813', '7421', '4487', '3595', 'L', 5967, 931, 8021, 8199, 1579, 'y', 'q', 'o', 9089, 'Z', 'I', 'v', 6083, 5055, 7155, 9841, 6957, 'b', 'R', 4101, 'L', 7111, 41]