12 Days of Christmas
            23rd
                        
                    
                        
                    
                        
                    
        
            99 Bottles of Beer
            24th
                        
                    
                        
                    
                        
                    
        
            Abundant Numbers
            33rd
                        
                    
                        
                    
                        
                    
        
            Ascending Primes
            
                        
                    21st
                        
                    
                        
                    
        
            ASCII Table
            74th
                        
                    
                        
                    
                        
                    
        
            brainfuck
            32nd
                        
                    
                        
                    
                        
                    
        
            Card Number Validation
            18th
                        
                    
                        
                    
                        
                    
        
            Collatz
            108th
                        
                    
                        
                    
                        
                    
        
            Diamonds
            32nd
                        
                    
                        
                    
                        
                    
        
            Divisors
            49th
                        
                    
                        
                    
                        
                    
        
            Emirp Numbers
            19th
                        
                    
                        
                    
                        
                    
        
            Evil Numbers
            69th
                        
                    
                        
                    
                        
                    
        
            Fibonacci
            155th
                        
                    
                        
                    
                        
                    
        
            Fizz Buzz
            160th
                        
                    
                        
                    
                        
                    
        
            ISBN
            52nd
                        
                    
                        
                    
                        
                    
        
            Leap Years
            93rd
                        
                    
                        
                    
                        
                    
        
            Look and Say
            16th14th
                        
                    
                        
                    
        
            Morse Decoder
            11th
                        
                    
                        
                    
                        
                    
        
            Morse Encoder
            14th
                        
                    
                        
                    
                        
                    
        
            Niven Numbers
            79th
                        
                    
                        
                    
                        
                    
        
            Number Spiral
            22nd
                        
                    
                        
                    
                        
                    
        
            Odious Numbers
            60th
                        
                    
                        
                    
                        
                    
        
            Ordinal Numbers
            40th
                        
                    
                        
                    
                        
                    
        
            Pangram Grep
            42nd
                        
                    
                        
                    
                        
                    
        
            Pascal’s Triangle
            44th
                        
                    
                        
                    
                        
                    
        
            Prime Numbers
            117th
                        
                    
                        
                    409th
        
            Prime Numbers (Long)
            78th
                        
                    
                        
                    
                        
                    
        
            Rijndael S-box
            32nd
                        
                    
                        
                    
                        
                    
        
            ROT13
            30th
                        
                    
                        
                    
                        
                    
        
            Seven Segment
            48th
                        
                    
                        
                    
                        
                    
        
            Spelling Numbers
            11th15th
                        
                    
                        
                    
        
            Tic-tac-toe
            6th7th6th110th
        
            Tongue-twisters
            7th7th
                        
                    
                        
                    
        
            λ
            26th