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Distance from factory i to factory j | 1 | 2 | 3 | 4 | Demand from factory i |
1 | 4 | 12 | 20 | 6 | 100 |
2 | 2 | 10 | 25 | 10 | 50 |
3 | 3 | 4 | 16 | 14 | 120 |
4 | 6 | 5 | 9 | 2 | 80 |
5 | 18 | 12 | 7 | 3 | 200 |
6 | 14 | 4 | 4 | 9 | 70 |
7 | 20 | 30 | 2 | 11 | 60 |
8 | 24 | 12 | 6 | 22 | 100 |