In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[8521, 7389, 'Z', 959, 4009, 4683, 'y', '4295', '5675', 'a', '5585', 'q', '5785', '9081', 'U', 's', 'i', 'D', 2717, 'P', 3531, 8889], ['Y', 4689, 'H', 'h', 3485, 1659, '4295', '5675', 'a', '5585', 'q', '5785', '9081', 'U', 's', 'm', 'k', 3777, 'l', 4497, 5837, 7061]
4295, 5675, a, 5585, q, 5785, 9081, U, s

[6921, 9035, 1815, 'T', 7393, 6607, 'D', 'c', 293, 'U', 4409, 4737, 3515, 'I', 'a', '839', 'q', 'n', '2571', '5999', 'L', 'k', '9745', '9023', '7365', 'C', '2893', 'n', '7783', 'E', '5071', 'Z', '3647', 'f', '7281', '8791', 'U', 't', '3969', '2029', 'i', 'o', 'a', 'M', 7035, 'v', 4907, 'l', 9767, 9189, 6353, 2883, 'F', 'x', 7665, 6801, 'x', 'J', 'G', 5361, 'f', 'Y', 'u', 'K', 'c', 1779, 1115], [587, 779, 525, 'i', 's', 4247, 5713, 'I', 'a', '839', 'q', 'n', '2571', '5999', 'L', 'k', '9745', '9023', '7365', 'C', '2893', 'n', '7783', 'E', '5071', 'Z', '3647', 'f', '7281', '8791', 'U', 't', '3969', '2029', 'i', 'u', 4957, 'c', 'k', 5231, 'i', 'T', 'q', 'd']
I, a, 839, q, n, 2571, 5999, L, k, 9745, 9023, 7365, C, 2893, n, 7783, E, 5071, Z, 3647, f, 7281, 8791, U, t, 3969, 2029, i

['c', 37, '5939', 'C', 'G', 't', 1223], ['i', 'q', '5939', 'C', 'G', 'f', 4733]

5939, C, G