| size | creator | method | timestamp |
| 30016 | LJCR | Multiple of (30,8,6) covering | 2009-03-27 10:50:42 |
| 25674 | LJCR | Dynamic programming construction | 2009-06-05 10:08:23 |
| 25394 | LJCR | Dynamic programming construction | 2011-01-10 17:07:19 |
| 25380 | LJCR | Dynamic programming construction | 2018-02-14 10:17:14 |
| 25340 | LJCR | Dynamic programming construction | 2018-05-15 10:06:27 |
| 24440 | Dietmar Pree | Local search | 2020-11-29 07:24:45 |
| 24439 | A. West | Local search | 2021-01-12 17:15:20 |
| 24438 | Marco Meoli | | 2022-09-04 06:25:46 |
| 24425 | Dietmar Pree | Local search | 2023-02-12 07:49:54 |
| 24405 | A. West | Local search | 2023-12-18 08:05:16 |