12 Days of Christmas
866
Abundant Numbers
635
Abundant Numbers (Long)
755
Arithmetic Numbers
762
Collatz
887
Divisors
890
Emojify
417
Fibonacci
928934
Fizz Buzz
929
Foo Fizz Buzz Bar
899
ISBN
746
Niven Numbers
773
Niven Numbers (Long)
842
Pangram Grep
854722
Tongue-twisters
671
Vampire Numbers
94
π
63