| A | As Much As 996 (1.0 sec / 1024 MB) | x 241 | 
      
        
          | B | Black Peter (6.0 sec / 1024 MB) | x 36 | 
      
        
          | C | Coprime-Free Permutation (6.0 sec / 1024 MB) | x 13 | 
      
        
          | D | Distinct Tautonyms (4.0 sec / 1024 MB) |  | 
      
        
          | E | ECNU MNIST (10.0 sec / 1024 MB) | x 3 | 
      
        
          | F | Foreigners’ Trouble (6.0 sec / 1024 MB) | x 122 | 
      
        
          | G | Green-Red Tree (5.0 sec / 1024 MB) | x 6 | 
      
        
          | H | Huashui Clock (1.0 sec / 1024 MB) | x 172 | 
      
        
          | I | Induced Metric Space (3.0 sec / 1024 MB) | x 32 | 
      
        
          | J | Josephus Problem (3.0 sec / 1024 MB) | x 6 | 
      
        
          | K | Keyboard without Binary Digits (2.0 sec / 1024 MB) | x 2 | 
      
        
          | L | Liwa River (2.0 sec / 1024 MB) | x 112 |