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

[6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']
3657, 9205, b, m, Q

[2165, 'A', 'L', '6045', '1245', 'Y', 't', 'M', 'y', '1889', 'H', 'C', '8175', 'c', 4715, 'w', 3191, 'Q', 2951, 3303], [1387, 2063, 'm', 'k', '6045', '1245', 'Y', 't', 'M', 'y', '1889', 'H', 'C', '8175', 'o', 9521, 1539, 'e', 6687, 6805]
6045, 1245, Y, t, M, y, 1889, H, C, 8175

[8919, 'x', 79, 2035, 'H', '3823', 'x', '6371', 'c', 'g', '5195', 'I', 'U', 'F', 'r'], [7955, 'M', '3823', 'x', '6371', 'c', 'g', '5195', 'A', 917]

3823, x, 6371, c, g, 5195