12 Days of Christmas
843
99 Bottles of Beer
738
Billiards
300
Card Number Validation
348
Christmas Trees
574
CSS Colors
205
Divisors
817
Emojify
351
Factorial Factorisation
127
Fibonacci
698
Fizz Buzz
723
Foo Fizz Buzz Bar
755
ISBN
656
Leap Years
648
ln 2
126
Morse Decoder
235
Morse Encoder
334
Ordinal Numbers
639
Prime Numbers
679
Prime Numbers (Long)
701
Rock-paper-scissors-Spock-lizard
525409
Tongue-twisters
567
United States
207
π
135
τ
131
√2
136