12 Days of Christmas
424
Arithmetic Numbers
728
Calendar
528
Collatz
867
CSS Colors
266
Day of Week
866
Diamonds
605
Divisors
778
Fibonacci
948
Fizz Buzz
952
Foo Fizz Buzz Bar
870
Fractions
577
Gray Code Encoder
900
ISBN
723
Leap Years
887
Look and Say
841
Scrambled Sort
636
Seven Segment
549
Transpose Sentence
606