Cross is played on an hexagonal board with 2 to 10 hexagons per side (6 is the standard size). Start: The board is initially empty. Play: Red places one of their pieces at an empty cell then Yellow may elect to swap colours in lieu of making the second move (swap option). Players then take turns placing a piece of their colour on an empty cell. Aim: A player wins by connecting three non-adjacent board sides with a chain of their pieces. A player loses by connecting two opposite board sides with a chain of their pieces (without also connecting three non-adjacent sides). Each corner cell belongs to both sides that meet there.

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