For any cell, look left and right down the oblique lines to obtain its coordinates. Note that the 'D' and the '4' are shifted along the lines they define, to avoid having them end up on the same cell of the edge. The board has twelve sides . Thus the six inward corners each belong to two sides. The game starts on an empty board.
Players move in turn to place one stone on a vacant cell.
White moves first. Moving is not compulsary. The game ends when both players pass on successive turns, after which the counting takes place. O bject The object of the game is to score more points than the opponent. Points are awarded for creating 'stars', 'superstars' and 'rings'.