5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 37-38 38 39 40 41 42 43 44 44-45 45 46 47 48 49 50 51