[20s] [30s] [40s] [50s] [60s] [70's] [70s] 19 21 21 23 24 27 28 30 31 32 32 33 35 36 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 50s 51 52 53 54 55 56 57 58 59 60 60 61 62 63 64 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 82 90 C Rule 5