Any card from the Belgian reserve, or the uncovered card from each column can be moved, one at a time. You may move an Ace to an empty foundation, or move other card to a foundation to form same-suit ascending sequence. A movable card may also be moved to other piles to form descending sequence of alternating color. An empty space in the tableau can be filled by any movable card. You win the game by successfully completing all four suit-sequences.