12 Days of Christmas
734
Abundant Numbers (Long)
593306
479
Arrows
401
Christmas Trees
553
Collatz
682
CSS Colors
315
Divisors
560
Emojify
483
Fibonacci
733935
Fizz Buzz
583822484
Leap Years
400
Rock-paper-scissors-Spock-lizard
460
Roman to Arabic
391
Seven Segment
304
Tongue-twisters
357
United States
337
π
196