DATASET: example
NODE_COUNT: 7
NODE: 
0 345 184
1 21 99
2 200 190
3 150 200
4 177 37
5 76 211
6 75 64
EDGE_COUNT: 7
EDGE: 
0 2
0 4
1 2
1 5
2 3
3 6
5 6
VEHICLE_COUNT: 10
VEHICLE_CAPACITY: 450
VEHICLE_SHIPPING_COST: 0.5
VEHICLE_FIXED_COST: 100
VEHICLE_DISINFECTION_COST: 10
VEHICLE_VELOCITY: 80
DEMAND: 
1 345
2 134
3 200
4 365
5 220
6 44
RISK_MATRIX: 
1 0 0 1 1 0 0
1 1 0 1 1 0 0
1 1 1 1 1 0 0
0 0 0 1 1 0 0
0 0 0 0 1 0 0
1 1 1 1 1 1 0
1 1 1 1 1 1 1
EOF