12 Days of Christmas
630
560
99 Bottles of Beer
510494
CSS Colors
145
Cubes
336
Diamonds
423
Divisors
838
Evil Numbers
553
Fizz Buzz
863771894
Leap Years
754
Look and Say
506
Medal Tally
604
Rock-paper-scissors-Spock-lizard
Spelling Numbers
605
Tongue-twisters
718
United States
215
Zodiac Signs