12 Days of Christmas
415
Arithmetic Numbers
728
Calendar
513
Collatz
868
CSS Colors
266
Day of Week
867
Diamonds
605
Divisors
779
Fibonacci
948
Fizz Buzz
952
Foo Fizz Buzz Bar
870
Fractions
576
Gray Code Encoder
901
ISBN
723
Leap Years
887
Look and Say
841
Scrambled Sort
636
Seven Segment
544
Transpose Sentence
605