23 1/2 27 1/2 28 1/2 34/35 36 36/37 37 37.5 37/38 38 38.5 39 39.5 40 40.5 40/41 41 42 42/43 43 43/44 44 44.5 44/45 45 45.5 46 47 48.5 49.5 50.5 51 52