12 Days of Christmas
771
Arithmetic Numbers
728
Calendar
659
Collatz
852
CSS Colors
551
Day of Week
867
Diamonds
605
Divisors
779
Fibonacci
948
Fizz Buzz
952
Foo Fizz Buzz Bar
872
Fractions
576
Gray Code Encoder
903
ISBN
723
Leap Years
888
Look and Say
842
Scrambled Sort
685
Seven Segment
587
Transpose Sentence
606