Route #1: 7 25 35 16 
Route #2: 18 31 19 9 21 26 
Route #3: 14 6 36 29 24 
Route #4: 33 2 28 23 22 12 11 10 4 
Route #5: 13 30 15 32 27 
Route #6: 20 8 5 3 1 34 17 
cost 949