2 OK 18-21

2 OK 5-7 2 OK 7-9 2 OK 9-11 2 OK 11-13 2 OK 13-15 2 OK 14-17 2 OK 15-18 2 OK 17-20 2 OK 18-21 2 OK 20-23 2 OK 22-25 2 OK 23-27 2 OK 25-28 2 OK 28-31 2 OK 31-34 2 OK 34-37 2 OK 37-40 2 OK 40-43