Osmosis (solitaire)

The object, like many solitaire games, is to put the cards into foundations, although not in numerical order.

[1] The name of the game reflects the fact that cards of the same value slowly filter through to successive foundations by osmosis.

Because winning the game relies on where cards are positioned in the reserve piles and in the stock pile, finishing a game of Osmosis can be difficult.

A seventeenth card is put in the first (top) of four foundations, which are also arranged vertically to the right of the reserve piles.

Here's an example of gameplay (foundations only): Legal and illegal plays in the example above: Peek is an open variation of Osmosis where the reserve cards are played face up.