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

[1699, 5363, 'U', 3351, 'K', 1771, 8981, 'y', 4317, 'P', 'H', 'f', 'j', '7169', '129', 'Z', 'K', 'r', 'o', 'v', '1713', 'g', 'A', 'h', 'e', '421', 'a', 'b'], [1477, 'o', 'h', 4413, 'Y', 'V', 4539, 't', 'S', 3527, 9183, 9541, '7169', '129', 'Z', 'K', 'r', 'o', 'v', '1713', 'g', 'A', 'h', 'e', '421', 'j', 'V', 8579, 3395, 'l', 'X', 'l', 'm', 4239]
7169, 129, Z, K, r, o, v, 1713, g, A, h, e, 421

[4817, 'A', '3155', 'W', 'm', 4061], [7701, 'P', '3155', 'W', 't', 'J']
3155, W

[9815, 'O', 'O', 'i', '8761', '917', 'h', 'S', 'T', '8825', '1019', 'N', 'w', 'X', 5403, 9041], [3915, 'X', 'i', '8761', '917', 'h', 'S', 'T', '8825', '1019', 'g', 'O', 2401]

i, 8761, 917, h, S, T, 8825, 1019