12 Days of Christmas
429
Arithmetic Numbers
767
Calendar
573
Collatz
900
CSS Colors
280
Day of Week
910
Diamonds
636
Divisors
803
Fibonacci
971
Fizz Buzz
966
Foo Fizz Buzz Bar
898
Fractions
606
Gray Code Encoder
978
ISBN
763
Leap Years
909
Look and Say
882
Scrambled Sort
699
Seven Segment
577
Transpose Sentence
660