3/1.3/2.3/3.3/43/5*2.3/6*2.3/7*23/8.3/9.3/10.3/113/12.3/13.3/14.3/153/16.3/17.3/18*23/19.3/20.3/21.3/223/23.3/24*2.3/25*2.3/263/27.3/28.3/29.3/30*2.3/31