Route #1: 6 33 63 23 56 24 49 16 
Route #2: 10 31 25 55 18 50 40 
Route #3: 11 66 65 38 58 
Route #4: 12 72 39 9 32 44 3 17 
Route #5: 26 7 53 14 59 19 35 
Route #6: 29 37 20 70 60 71 69 36 47 48 
Route #7: 30 74 21 61 28 2 68 
Route #8: 45 5 15 57 13 54 8 46 
Route #9: 51 73 1 43 41 42 64 22 62 
Route #10: 67 34 52 27 4 75 
Cost 830