| Date (d,m,y) | Contributor | Objective |
|---|---|---|
| 9 - 1 - 2006 | Di Gaspero and Schaerf | (0, 499017) |
| 20 - 0 - 2006 | Langford | (0, 490528) |
| 22 - 1 - 2006 | Urrutia and Ribeiro | (0, 467135) |
| 30 - 5 - 2007 | Van Hentenryck and Vergados | (0, 463657) |
| 16 - 10 - 2022 | Zhao, Xiao, Xu | (0, 482397) |
| Date (d,m,y) | Contributor | Objective |
|---|---|---|
| 22 - 6 - 2007 | Melo, Ribeiro, Urrutia | (0, 431226) |