12 Days of Christmas
577
99 Bottles of Beer
714
Arrows
351
Billiards
302
Card Number Validation
349
Christmas Trees
564
Collatz
661
CSS Colors
97
Day of Week
571
Divisors
814
Emojify
321
Factorial Factorisation
126
Fibonacci
694
Fizz Buzz
824
Foo Fizz Buzz Bar
740
Forsyth–Edwards Notation
461
Happy Numbers
207
ISBN
649
Leap Years
568
ln 2
119
Morse Decoder
231
Morse Encoder
279
Niven Numbers
538
Ordinal Numbers
616
Pangram Grep
620
Pernicious Numbers
403
Prime Numbers
532
Prime Numbers (Long)
699
Repeating Decimals
824
Rock-paper-scissors-Spock-lizard
523469
ROT13
376
Seven Segment
283
Sudoku
635
Tic-tac-toe
302
Tongue-twisters
352
Trinomial Triangle
39
United States
201
π
136
τ
132
√2
127