| Keyword: | ∇ Name: | Description: | ∇ Type: |
| Tour | CPostman03.lng | Chinese Postman problem | LINGO |
| Tour | cycle.lng | Product Cycling Problem | LINGO |
| Tour | TSPgreatCircle.lng | Traveling Salesman Problem | LINGO |
| Tour | TSPsubtourCut06.lng | Traveling Salesman Problem variation | LINGO |
| Tour | TSP_Chart15.lng | Traveling Salesman Problem | LINGO |