12 Days of Christmas
576
99 Bottles of Beer
712
Arrows
347
Billiards
305
Card Number Validation
350
Christmas Trees
571
Collatz
668
CSS Colors
97
Day of Week
660
Divisors
830
Emojify
327
Factorial Factorisation
127
Fibonacci
699
Fizz Buzz
829
Foo Fizz Buzz Bar
745
Forsyth–Edwards Notation
492
Happy Numbers
212
ISBN
653
Leap Years
647
ln 2
119
Morse Decoder
233
Morse Encoder
324
Niven Numbers
549
Ordinal Numbers
636
Pangram Grep
626
Pernicious Numbers
408
Prime Numbers
534
Prime Numbers (Long)
704
Repeating Decimals
843
Rock-paper-scissors-Spock-lizard
524467
ROT13
374
Seven Segment
285
Sudoku
633
Tic-tac-toe
305
Tongue-twisters
351
United States
204
π
136
τ
132
√2
128