12 Days of Christmas
866
Abundant Numbers
636
Abundant Numbers (Long)
757
Arithmetic Numbers
764
Collatz
889
Divisors
891
Emojify
417
Fibonacci
639566935
Fizz Buzz
571
929
Foo Fizz Buzz Bar
900
ISBN
748
Niven Numbers
773
Niven Numbers (Long)
843
Pangram Grep
855704
Tongue-twisters
671
Vampire Numbers
94
π
63