12 Days of Christmas
575
99 Bottles of Beer
711
Arrows
347
Billiards
305
Card Number Validation
348
Christmas Trees
569
Collatz
666
CSS Colors
97
Day of Week
693
Divisors
829
Emojify
326
Factorial Factorisation
127
Fibonacci
698
Fizz Buzz
829
Foo Fizz Buzz Bar
743
Forsyth–Edwards Notation
492
Happy Numbers
211
ISBN
651
Leap Years
647
ln 2
119
Morse Decoder
232
Morse Encoder
323
Ordinal Numbers
633
Pangram Grep
625
Pernicious Numbers
408
Prime Numbers
533
Prime Numbers (Long)
701
Repeating Decimals
843
Rock-paper-scissors-Spock-lizard
524467
ROT13
373
Seven Segment
284
Sudoku
633
Tic-tac-toe
307
Tongue-twisters
437
United States
204
π
136
τ
132
√2
128