19 20 21 22 23 24 25 26 27 28 28.5 29 30 31 32 33 34 34.5 35 36 37 36.5 38 39 39.5 40 40.5 41 42 43 44 45 46 19-20 22-23 23-24 24-25 25-26 27-28 28-29 29-30 30-31 31-32 32-33 33-34 34-35 35-36