C,1,67.4,s, O,2,,, C,3,67.4,s, C,4,77.65,s, O,5,,, C,6,77.65,s, C,7,67.4,s, O,8,,, C,9,67.4,s, C,10,77.65,s, O,11,,, C,12,77.65,s, H,13,,, H,14,,, H,15,,, H,16,,, H,17,,, H,18,,, H,19,,, H,20,,, H,21,,, H,22,,, H,23,,, H,24,,,