a good trick is often because they are the best pull out without doing the same to the whole tower wackelt.ich it rates on a firm surface to play no where when it encounters begins to wiggle it because then must be taken from the middle of the riesiko too big that characterized the tower sway into violent kommt.bei me has it as I've placed a wooden board on the ground have geklappt.ich it always done that I was the first all angetppt stones and then have the best raugezogen.