In this card game you have to arrange the cards into thirteen piles, one for each hour of the clock and a central thirteenth "king" pile. The centre pile card is flipped over first, then after moving the face up card to the appropriate destination pile, a new face up card is flipped up from it.
[id]http://flashgamedistribution.com/swfs/solitaire_clock_patience.swf[/id]