Random triples
| Subject | Object |
|---|---|
| gptkb:Four-in-a-row | 6 rows by 7 columns |
| gptkb:Sudoku | 9x9 |
| gptkb:Sam_Loyd's_unsolvable_puzzle | 4x4 |
| gptkb:Connect_Four | 7 columns |
| gptkb:PJM_Interconnection_(USA) | largest in North America |
| gptkb:Polybius_square | 5x5 |
| gptkb:Four_in_Line | 6 rows x 7 columns |
| gptkb:Connect_Four | 6 rows |
| gptkb:24_puzzle | 5x5 |
| gptkb:Game_of_Fifteen | 4x4 |
| gptkb:Four_in_a_Row | 7 columns |
| gptkb:Four_in_a_Row | 6 rows |
| gptkb:Sam_Loyd's_14-15_puzzle | 4x4 |
| gptkb:15_puzzle | 4x4 |
| gptkb:Mathdoku | varies |
| gptkb:Mini_Sudoku | 4x4 |
| gptkb:Mini_Crossword | 5x5 |
| gptkb:KenDoku | varies |