19.23.23.23.25.25.28.28.30.30.30.30.31.32.32.33.34.34.35.35.35.36.36.37.37.38.38.40.40.40.41.41.42.43.43.43.45.45.45.45.46.47.47.52.54.56.57.57.63.65.69