12 Days of Christmas
577
99 Bottles of Beer
713
Arrows
355
Billiards
303
Card Number Validation
355
Christmas Trees
572
Collatz
669
CSS Colors
97
Day of Week
663
Divisors
831
Emojify
328
Factorial Factorisation
127
Fibonacci
700
Fizz Buzz
829
Foo Fizz Buzz Bar
748
Forsyth–Edwards Notation
471
Happy Numbers
212
ISBN
657
Leap Years
576
ln 2
120
Morse Decoder
232
Morse Encoder
284
Niven Numbers
550
Ordinal Numbers
620
Pangram Grep
628
Pernicious Numbers
409
Prime Numbers
534
Prime Numbers (Long)
706
Repeating Decimals
824
Rock-paper-scissors-Spock-lizard
524470
ROT13
378
Seven Segment
286
Sudoku
637
Tic-tac-toe
308
Tongue-twisters
352
Trinomial Triangle
39
United States
202
π
136
τ
132
√2
128