Level History of Concept
| Level | Date |
|---|---|
| 30 | 2020-09-12 08:00:42 |
| 29 | 2020-09-11 08:47:13 |
| 28 | 2020-09-06 07:34:49 |
| 27 | 2020-09-05 23:34:47 |
| 26 | 2020-09-05 22:38:43 |
| 25 | 2020-09-05 07:55:09 |
| 24 | 2020-03-14 06:10:25 |
| 23 | 2020-03-08 00:39:11 |
| 22 | 2020-03-07 23:15:04 |
| 21 | 2020-03-07 07:00:48 |
| 20 | 2020-03-04 04:27:13 |
| 19 | 2020-02-23 05:13:32 |
| 18 | 2020-02-22 23:24:39 |
| 17 | 2020-02-22 22:25:45 |
| 16 | 2020-02-22 22:08:13 |
| 15 | 2020-02-22 21:59:12 |
| 14 | 2020-02-22 21:43:41 |
| 13 | 2020-02-22 21:38:07 |
| 12 | 2020-02-22 21:34:52 |
| 11 | 2020-02-22 21:33:47 |
| 10 | 2019-05-06 19:29:37 |
| 9 | 2019-05-06 19:23:11 |
| 8 | 2019-05-06 19:17:35 |
| 7 | 2019-05-06 19:03:49 |
| 6 | 2019-05-06 19:00:02 |
| 5 | 2019-05-06 18:53:15 |
| 4 | 2019-05-06 18:51:45 |
| 3 | 2019-05-06 18:49:30 |
| 2 | 2019-05-06 18:47:09 |