12 Days of Christmas
814
Abundant Numbers (Long)
836
Arithmetic Numbers
377
Arrows
357
Card Number Validation
768
CSS Colors
245
Divisors
766
Game of Life
429
Intersection
655
Inventory Sequence
840
Look and Say
867
Lucky Numbers
593
Odious Numbers
585
Smith Numbers
528
Sudoku
442
Tongue-twisters
509
Zodiac Signs
734
√2
836