12 Days of Christmas
868
99 Bottles of Beer
766
Billiards
352
Card Number Validation
404
Christmas Trees
621
CSS Colors
241
Divisors
889
Emojify
386
Factorial Factorisation
141
Fibonacci
738
Fizz Buzz
744
Foo Fizz Buzz Bar
814
ISBN
745
Leap Years
683
ln 2
135
Morse Decoder
259
Morse Encoder
371
Ordinal Numbers
709
Prime Numbers
735
Prime Numbers (Long)
771
Repeating Decimals
1,000
Rock-paper-scissors-Spock-lizard
558437
ROT13
442
Tongue-twisters
590
United States
226
π
147
τ
147
√2
141