| Date (d,m,y) | Contributor | Objective |
|---|---|---|
| 26 - 8 - 2004 | Urrutia and Ribeiro | (0, 506433) |
| 11 - 3 - 2005 | Urritia, Ribeiro and Araujo | (0, 503158) |
| 30 - 5 - 2007 | Van Hentenryck and Vergados | (0, 500756) |
| Date (d,m,y) | Contributor | Objective |
|---|---|---|
| 11 - 7 - 2019 | David Van Bulck | (0, 451406) |