12 Days of Christmas
630
560
99 Bottles of Beer
510494
CSS Colors
144
Cubes
339
Diamonds
423
Divisors
837
Evil Numbers
553
Fizz Buzz
864772895
Leap Years
754
Look and Say
506
Medal Tally
605
Rock-paper-scissors-Spock-lizard
Spelling Numbers
611
Tongue-twisters
718
United States
215
Zodiac Signs