12 Days of Christmas
848861
99 Bottles of Beer
673
Arabic to Roman
488480
Arrows
465439
ASCII Table
848
Calendar
566
Card Number Validation
476
Christmas Trees
411
CSS Colors
110
Diamonds
467455
Emojify
293
Evil Numbers
427
Fizz Buzz
756868
Fractions
668612
Hexdump
686
ISBN
737
Morse Encoder
242
Niven Numbers
642696
Odious Numbers
624
Reverse Polish Notation
639
Roman to Arabic
477
ROT13
343
Sudoku
357
Tongue-twisters
611