99 Bottles of Beer
663
Abundant Numbers
569
Abundant Numbers (Long)
706
ASCII Table
600
Card Number Validation
533
Emojify
291
Fibonacci
595731493608955695784
Fizz Buzz
753
Foo Fizz Buzz Bar
757
Forsyth–Edwards Notation
563
Fractions
417
ISBN
770
Leap Years
625
Niven Numbers
509
Poker
381
Prime Numbers
502
Prime Numbers (Long)
649
Reverse Polish Notation
521
Roman to Arabic
562
ROT13
671
Tic-tac-toe
395
Tongue-twisters
636