| user_group_problem_set_id,user_group_id,problem_set_id | |
| 1521738490914627584,1506929697204224000,1521737294095155200 | |
| 1523893650034167808,1523860653062918144,1523577297288982528 | |
| 1523896872849272832,1523860653062918144,1523894791404945408 | |
| 1523896976251445248,1523860653062918144,1523896510008422400 | |
| 1524360653912047616,1524349469368410112,1524360055275810816 | |
| 1526031628584144896,1517119752991125504,1526030882098700288 | |
| 1526113955716853760,1523545285551357952,1526113205888532480 | |
| 1526115542954729472,1523545285551357952,1526114245044125696 | |
| 1527135837714956288,1523860653062918144,1523574113157939200 | |
| 1530050308439789568,1530048722518900736,1530029826051129344 | |
| 1530053907626573824,1530050012535832576,1530053183521935360 | |
| 1531438411599564800,1524207483369979904,1531438153570160640 | |
| 1532191816660013056,1532191633029189632,1530053183521935360 | |
| 1534362066306584576,1524207483369979904,1534360190085332992 | |
| 1534363889394368512,1530048722518900736,1534363139717042176 | |
| 1534365832770605056,1530050012535832576,1534365217587826688 | |
| 1566595222182359040,1523545285551357952,1566594989167804416 | |