6, 8, 10, 12, 14, 16, S
6, 8, 10, 12, 14, 16, S, M, L
2, 4, 6, 8, 10, 12, 14, 16, 18
4, 6, 8, 10, 12, 14, 16, 18
2000, 1, 2
2, 3, 4, 5