3.2.13.23.1.33.1.23.1.43.1.13.13.2.23.2.33.1.53.2.55.6.23.43.4.13.4.23.4.33.53.5.13.5.23.5.33.5.73.5.43.5.53.5.65.15.25.35.45.5.1 + 5.5.35.5.25.6.1 + 2.75.7.1 + 2.185.7