Route #1: 1 7 21 40 Route #2: 10 63 11 24 6 23 Route #3: 13 74 60 39 3 77 51 Route #4: 17 31 27 59 5 44 12 62 Route #5: 29 20 75 57 19 26 35 65 69 56 47 15 33 64 Route #6: 30 78 61 16 43 68 8 37 2 34 Route #7: 38 72 54 9 55 41 25 46 Route #8: 42 53 66 67 36 73 49 Route #9: 52 28 79 18 48 14 71 Route #10: 58 32 4 22 45 50 76 70 cost 1763