You will need;
A pack of playing cards
Nothing of import to do for the next few days (ie. Are there any burning buildings in the area? You’d better check now as you won’t be getting up to save any trapped civilians once you’ve had a taste of this game)
Shuffle the deck. You have nine spaces, lay out the cards one by one until you can find two cards that add up to eleven or you have a Jack King Queen down, you can then cover them with another card. The aim is to lay down the entire pack, if you can’t find ether of those combinations by the time you’ve used up all nine spaces you LOSE!