99 Bottles of Beer
668
Abundant Numbers
580
Abundant Numbers (Long)
720
ASCII Table
604
Card Number Validation
540
Emojify
334
Fibonacci
597735495611961697787
Fizz Buzz
761
Foo Fizz Buzz Bar
768
Forsyth–Edwards Notation
583
Fractions
411
Leap Years
631
Niven Numbers
522
Prime Numbers
504
Prime Numbers (Long)
696
Reverse Polish Notation
512
Roman to Arabic
572
ROT13
650
Tic-tac-toe
408
Tongue-twisters
497