Tiles are logged counterclockwise beginning from the top-left.
        See module hexgrid (https://github.com/rosshamish/hexgrid) for the tile layout.

        :param terrain: list of catan.board.Terrain objects

def _log_board_terrain(self, terrain):
        """
        Tiles are logged counterclockwise beginning from the top-left.
        See module hexgrid (https://github.com/rosshamish/hexgrid) for the tile layout.

        :param terrain: list of catan.board.Terrain objects
        """
        self._logln('terrain: {0}'.format(' '.join(t.value for t in terrain)))