Find the maximal number of clocks with hands that look identical when rotated.
  
  
  Stats:
  
    
      4938 started
    
    
      638 silver awards
    
    
      153 golden awards
    
  
  Hall of fame:
  
    
      
        
          
            
            
              
              
                1
              
             
           
          Tomasz Kulczyński
          
        
 
        
          Time: 24 minutes
        
       
    
      
        
          
            
            
              
              
                2
              
             
           
          Mario Ynocente Castro
          
        
 
        
          Time: 30 minutes
        
       
    
      
        
          
            
            
              
              
                3
              
             
           
          giorgi guliashvili
          
        
 
        
          Time: 35 minutes