12 Days of Christmas
666
99 Bottles of Beer
692
Abundant Numbers
522
Abundant Numbers (Long)
548
Arithmetic Numbers
403
Arrows
310
Christmas Trees
614
Collatz
611
CSS Colors
189
Divisors
467
Foo Fizz Buzz Bar
549
Forsyth–Edwards Notation
452
Morse Encoder
116
Odious Numbers
363
Odious Numbers (Long)
375
Pangram Grep
413
Prime Numbers
364
Prime Numbers (Long)
376
Spelling Numbers
410
Tongue-twisters
525