5, 6, 7, 8 9, 10, 11, 12 13, 14, 15, 16 17, 18, 19, 20 21, 22, 23, 24 25, 26, 27, 28 29, 30, 31, 32 33, 34, 35, 36 37, 38, 39, 40 41, 42, 43, 44 45, 46, 47, 48 49, 50, 51, 52 53, 54, 55, 56 57, 58, 59, 60 61, 62, 63, 64 65, 66, 67, 68 69, 70, 71, 72 73, 74, 75, 76 77, 78, 79, 80 81, 82, 83, 84 85, 86, 87, 88 89, 90, 91, 92 93, 94, 95, 96 97, 98, 99, 100 101, 102, 103, 104 105, 106, 107, 108 109, 110, 111, 112 113, 114, 115, 116 117, 118, 119, 120 121, 122, 123, 124 125, 126, 127, 128 129, 130, 131, 132 133, 134, 135, 136 137, 138, 139, 140 31 35 38 42 48 51 54 58 64 68 69 75 79 83 86 89 93 100 steps