22-24 23-26 24-27 25-27 27-30 28-30 29-33 31-33 31-34 34-36 34-37 35-38 37-39 38-41 39-42 40-42 42-45 43-45 43-46 46-48 46-49 47-50 49-51 51-54 52-54