| ID | NAME | RATIO | SOLVED | TRIED | 
| A | Lucky Substrings | 62% | 652 | 1035 | 
| B | Numeric Keypad | 15% | 101 | 669 | 
| C | Spring Outing | 9% | 23 | 250 | 
| D | S-expression | 0% | 51 | 
| ID | NAME | RATIO | SOLVED | TRIED | 
| A | Lucky Substrings | 62% | 652 | 1035 | 
| B | Numeric Keypad | 15% | 101 | 669 | 
| C | Spring Outing | 9% | 23 | 250 | 
| D | S-expression | 0% | 51 |