consecutive cards (or at least two consecutive cards, depending on the rule set one follows) in the stack which feature at least one card from the top of the stack equal 10, 20 or 30, they are discarded: {| class="wikitable" |- |style="background:yellow" | || || || |style="background:yellow" | |style="background:yellow" | |} Because the stack is treated as a loop, and the cards selected use at least one card from the top of the stack discarding , and as a set of three totaling 20 (10 + 6 + 4) would be valid. One-handed play Like Accordion, Decade is traditionally played with the cards in a line, but due its minimal use of space can also be played in one hand. This is done by placing the deck face-down in the hand, and placing the line in a stack on top of the deck, with the discard pile face up on the bottom (as seen in the images below). See also Accordion List of patiences and solitaires Glossary of patience and solitaire terms References Bibliography Liflander, Pamela (2002). The Little Book of Solitaire. Philadelphia, PA: Running Press. Morehead, A. H. & G. Mott-Smith (1949). The Complete Book of Solitaire and Patience Games. NY: Longmans. American card games Closed non-builders Patience video games Pocket patience card games Single-deck patience card games