Route #1: 21 73 72 39 67 23 41 22 74 75 56 4 25 55 54 24 80 68 77 
Route #2: 27 69 31 88 62 63 90 30 51 9 81 78 79 76 12 26 40 53 
Route #3: 28 50 33 3 29 34 71 65 35 66 20 32 10 70 1 
Route #4: 52 7 82 45 48 47 36 19 11 64 49 46 8 18 83 84 17 5 60 89 
Route #5: 94 92 98 37 42 15 14 44 38 86 16 61 99 96 6 95 97 87 2 57 43 100 91 85 93 59 13 58 
Cost 875.9