12 Days of Christmas
870
99 Bottles of Beer
766
Billiards
352
Card Number Validation
404
Christmas Trees
621
CSS Colors
241
Divisors
877
Emojify
386
Factorial Factorisation
141
Fibonacci
738
Fizz Buzz
744
Foo Fizz Buzz Bar
814
ISBN
745
Leap Years
683
ln 2
143
Morse Decoder
259
Morse Encoder
371
Ordinal Numbers
709
Prime Numbers
735
Prime Numbers (Long)
771
Rock-paper-scissors-Spock-lizard
558437
Tongue-twisters
590
United States
226
π
147
τ
147
√2
150