Route #1: 23 Route #2: 13 4 30 2 37 38 Route #3: 19 15 24 16 42 33 8 Route #4: 21 29 31 34 40 1 27 20 41 28 Route #5: 9 17 45 6 43 26 14 Route #6: 5 32 22 10 7 39 36 Route #7: 11 12 35 18 25 44 3 cost 914