STICKLINE(C>0,0,0,20,-1)COLORGRAY;
阳:=C>O;
STICKLINE(阳,C-(O+C)/2,0,2.5,0)COLORRED;
STICKLINE(阳,O-(O+C)/2,0,2.5,0)COLORRED;
STICKLINE(阳,H-(O+C)/2,0,0,0)COLORRED;
STICKLINE(阳,L-(O+C)/2,0,0,0)COLORRED;
阴:=C
STICKLINE(阴,(O+C)/2-C,0,2.5,0)COLORLIBLUE;
STICKLINE(阴,L-(O+C)/2,0,0,0)COLORLIBLUE;
STICKLINE(阴,H-(O+C)/2,0,0,0)COLORLIBLUE;
板:=(C=O);
STICKLINE(板,0,0,2.5,0)COLORWHITE;
STICKLINE(板,L-O,0,0,0)COLORWHITE;
STICKLINE(板,H-O,0,0,0)COLORWHITE;