12 Days of Christmas
576
99 Bottles of Beer
713
Arrows
354
Billiards
305
Card Number Validation
355
Christmas Trees
572
Collatz
669
CSS Colors
98
Day of Week
663
Divisors
829
Emojify
328
Factorial Factorisation
127
Fibonacci
699
Fizz Buzz
829
Foo Fizz Buzz Bar
747
Forsyth–Edwards Notation
492
Happy Numbers
212
ISBN
657
Leap Years
647
ln 2
119
Morse Decoder
232
Morse Encoder
325
Niven Numbers
550
Ordinal Numbers
637
Pangram Grep
628
Pernicious Numbers
409
Prime Numbers
534
Prime Numbers (Long)
704
Repeating Decimals
838
Rock-paper-scissors-Spock-lizard
522468
ROT13
376
Seven Segment
286
Sudoku
637
Tic-tac-toe
306
Tongue-twisters
352
Trinomial Triangle
39
United States
204
π
136
τ
132
√2
128