12 Days of Christmas
658
836
99 Bottles of Beer
717733
CSS Colors
253
Cubes
368
Diamonds
423
Divisors
838
Evil Numbers
553
Fizz Buzz
863771894
Leap Years
755
Look and Say
506
Medal Tally
589
Rock-paper-scissors-Spock-lizard
Spelling Numbers
605
Tongue-twisters
748
United States
215
Zodiac Signs