Katas
    
    
        
            
            Calculating American tenpin bowling scores.
            
        
    
    
    
        
            
            A Lewis Carroll puzzle.
            
        
    
    
    
        
            
            Wonderland is a strange place. There is a wonderland number that is also quite strange.
            
        
    
    
    
        
            
            War - a version of the classic card game.
            
        
    
    
    
        
            
            Alphabet Cipher - a Lewis Carroll method to send encrypted messages.
            
        
    
    
    
        
            
            Sorting It Out - minus conventional sorting algorithms.
            
        
    
    
    
        
            
            Back to the Checkout - an exercise in decoupling.
            
        
    
    
    
        
            
            Six Letters - addressing conflicting objectives: clarity, speed and extendibility.
            
        
    
    
    
        
            
            Anagrams - a simple challenge.
            
        
    
    
    
        
            
            Spell Checker - an experiment with Bloom filters.
            
        
    
    
    
        
            
            Data Munging - don’t repeat yourself.
            
        
    
    
    
        
            
            Searching a sorted array - an experiment of approaches.