99 Bottles of Beer
668
Abundant Numbers
580
Abundant Numbers (Long)
720
ASCII Table
604
Card Number Validation
539
Emojify
333
Fibonacci
597735495611961697787
Fizz Buzz
761
Foo Fizz Buzz Bar
768
Forsyth–Edwards Notation
582
Fractions
410
Leap Years
631
Niven Numbers
522
Prime Numbers
504
Prime Numbers (Long)
695
Reverse Polish Notation
512
Roman to Arabic
571
ROT13
649
Tic-tac-toe
407
Tongue-twisters
497