12 Days of Christmas
862
869
99 Bottles of Beer
684
Arabic to Roman
520
497
Arrows
495
456
Card Number Validation
520
Christmas Trees
431
CSS Colors
118
Diamonds
495
472
Evil Numbers
450
Fizz Buzz
792
875
Morse Encoder
260
Niven Numbers
674
712
Odious Numbers
462
Roman to Arabic
509
Tongue-twisters
618