Route #1: 27 69 1 50 76 33 81 9 51 20 66 65 71 35 34 78 79 3 77 68 80 29 24 54 12 26 28 
Route #2: 52 18 82 48 7 88 31 70 30 32 90 63 10 62 19 11 64 49 36 47 46 8 45 17 84 83 60 5 99 96 97 87 37 98 91 100 42 57 2 13 
Route #3: 53 
Route #4: 89 6 94 95 92 59 93 85 61 16 86 44 38 14 43 15 41 22 75 56 23 67 39 25 55 4 72 74 73 21 40 58 
Cost 701.0