N:=8;
AA:=REF(H,N)=HHV(H,2*N+1);
AA1:=REF(L,N)=LLV(L,2*N+1);
QY:=BACKSET(AA,N+1);
QY1:=BACKSET(AA1,N+1);
CC:=FILTER(QY,N) AND H=HHV(H,N+1);
CC1:=FILTER(QY1,N) AND L=LLV(L,N+1);
DDD:=BARSLAST(CC);
DD1:=BARSLAST(CC1);
GDTS:=IF(CC,DATACOUNT-BARPOS,0);
DDTS:=IF(CC1,DATACOUNT-BARPOS,0);
DINGBUTS:=IF(DDD,REF(GDTS,DDD),GDTS);
DDTS1:=IF(DD1,REF(DDTS,DD1),DDTS);
GDCS1:=DINGBUTS;
DDCS1:=DDTS1;
GDCS13:=REF(HIGH,GDCS1-1);
DDCS13:=REF(L,DDCS1-1);
DINGBUTS1:=REF(DINGBUTS,DDD+1);
DDTS2:=REF(DDTS1,DD1+1);
GDCS2:=DINGBUTS1;
DDCS2:=DDTS2;
GDCS23:=REF(HIGH,DINGBUTS1-1);
DDCS23:=REF(L,DDTS2-1);
DRAWSL(ISLASTBAR,GDCS13,0,DDD,1),COLORRED;
DRAWSL(ISLASTBAR,DDCS13,0,DD1,1),COLORGREEN;
DRAWSL(ISLASTBAR,GDCS23,0,DINGBUTS1-1,1),COLORFF8080;