12 Days of Christmas
575
99 Bottles of Beer
712
Arrows
347
Billiards
305
Card Number Validation
350
Christmas Trees
569
Collatz
667
CSS Colors
97
Day of Week
697
Divisors
829
Emojify
327
Factorial Factorisation
127
Fibonacci
698
Fizz Buzz
829
Foo Fizz Buzz Bar
743
Forsyth–Edwards Notation
492
Happy Numbers
211
ISBN
653
Leap Years
647
ln 2
119
Morse Decoder
232
Morse Encoder
323
Ordinal Numbers
636
Pangram Grep
626
Pernicious Numbers
408
Prime Numbers
533
Prime Numbers (Long)
702
Repeating Decimals
843
Rock-paper-scissors-Spock-lizard
524467
ROT13
371
Seven Segment
285
Sudoku
633
Tic-tac-toe
309
Tongue-twisters
351
United States
204
π
136
τ
132
√2
128