| ID | NAME | SCORE | RATIO | SOLVED | TRIED |
| A | Magic String | 1000 | 43% | 32 | 74 |
| B | Endless Operations | 1500 | 69% | 25 | 36 |
| C | Huge Illusion | 1500 | 66% | 2 | 3 |
| D | Eulerian subgraphs | 2500 | 88% | 8 | 9 |
| ID | NAME | SCORE | RATIO | SOLVED | TRIED |
| A | Magic String | 1000 | 43% | 32 | 74 |
| B | Endless Operations | 1500 | 69% | 25 | 36 |
| C | Huge Illusion | 1500 | 66% | 2 | 3 |
| D | Eulerian subgraphs | 2500 | 88% | 8 | 9 |