🟡 medium · 280 cities
drilling problem (Ludwig)
Published results
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| Property | Value |
|---|---|
| Name | a280 |
| Cities | 280 |
| Type | EUC_2D |
| Optimal tour | 2,579 |
| Source | TSPLIB95 |
| Creator | TSPLIB — Gerhard Reinelt, University of Heidelberg |
| License | TSPLIB95 terms |