99 Bottles of Beer
668
Abundant Numbers
580
Abundant Numbers (Long)
719
ASCII Table
622
Card Number Validation
539
Fibonacci
597734495611961697786
Fizz Buzz
761
Foo Fizz Buzz Bar
767
Forsyth–Edwards Notation
582
Fractions
409
Niven Numbers
439
Prime Numbers
503
Prime Numbers (Long)
694
Reverse Polish Notation
510
Roman to Arabic
572
ROT13
647
Tongue-twisters
497