12 Days of Christmas
608
99 Bottles of Beer
766
Arrows
390
Billiards
358
Card Number Validation
404
Christmas Trees
621
Collatz
723
CSS Colors
113
Day of Week
771
Divisors
889
Emojify
358
Factorial Factorisation
141
Fibonacci
738
Fizz Buzz
859
Foo Fizz Buzz Bar
814
Forsyth–Edwards Notation
563
Happy Numbers
224
ISBN
745
Leap Years
683
ln 2
135
Morse Decoder
262
Morse Encoder
365
Niven Numbers
587
Ordinal Numbers
709
Pangram Grep
685
Pernicious Numbers
437
Prime Numbers
574
Prime Numbers (Long)
771
Repeating Decimals
1,000
Rock-paper-scissors-Spock-lizard
582522
ROT13
442
Seven Segment
321
Sudoku
742
Tic-tac-toe
351
Tongue-twisters
369
United States
226
π
148
τ
147
√2
141