Stuff Santa's Sack

Stuff Santa's Sack! Stuff as many presents into Santa's sack as you can! Presents will automatically fall into the sack. The speed they fall will gradually increase. Place the presents so they 'stuff' as many rows as possible, that is fill at least two thirds of the row. The contents of the sack will then be pushed down by the number of newly stuffed rows, making space to stuff in more presents…