Here's a chart for the first 20 rounds, assuming 8 people in the league:
Code:
1st will pick 1 16 17 32 33 48 49 64 65 80 81 96  97 112 113 128 129 144 145 160
2nd will pick 2 15 18 31 34 47 50 63 66 79 82 95  98 111 114 127 130 143 146 159
3rd will pick 3 14 19 30 35 46 51 62 67 78 83 94  99 110 115 126 131 142 147 158
4th will pick 4 13 20 29 36 45 52 61 68 77 84 93 100 109 116 125 132 141 148 157
5th will pick 5 12 21 28 37 44 53 60 69 76 85 92 101 108 117 124 133 140 149 156
6th will pick 6 11 22 27 38 43 54 59 70 75 86 91 102 107 118 123 134 139 150 155
7th will pick 7 10 23 26 39 42 55 58 71 74 87 90 103 106 119 122 135 138 151 154
8th will pick 8  9 24 25 40 41 56 57 72 73 88 89 104 105 120 121 136 137 152 153

"Difficult....not impossible"