12 Days of Christmas
434
Abundant Numbers (Long)
836
Arithmetic Numbers
377
Arrows
468
Card Number Validation
768
CSS Colors
119
Divisors
766
Game of Life
429
Intersection
627
Inventory Sequence
840
Look and Say
867
Lucky Numbers
593
Odious Numbers
585
Smith Numbers
528
Sudoku
308
Tongue-twisters
340
Zodiac Signs
680
√2
836