FD24:=BACKSET(REFX(GT1,1)=0 AND DT1>3 AND GT1>DT1 AND GT1-DT1<4 AND REFX(H,1)<HHV(H,GT1+3) AND REF(L,DT1)>LLV(L,DT1+5),DT1+1),NODRAW;

FG24:=BACKSET(REFX(DT1,1)=0 AND GT1>3  AND DT1>GT1 AND DT1-GT1<4 AND REFX(L,1)>LLV(L,DT1+3) AND REF(H,GT1)<HHV(H,GT1+5),GT1+1),NODRAW;

GT2:=BARSLAST(FG21<>1 AND FG23<>1 AND FG231<>1 AND FG24<>1   AND FG2<>1 AND FG2A<>1 AND FG2B<>1 AND GT1=0),NODRAW;

DT2:=BARSLAST(FD21<>1 AND FD23<>1 AND FD231<>1 AND FD24<>1  AND FD2<>1 AND FD2A<>1 AND FD2B<>1 AND DT1=0),NODRAW;

FG3:=BACKSET(REFX(GT2,1)=0 AND GT2<DT2 AND REFX(H,1)>=REF(H,GT2),GT2+1),NODRAW;

FD3:=BACKSET(REFX(DT2,1)=0 AND DT2<GT2 AND REFX(L,1)<=REF(L,DT2),DT2+1),NODRAW;

FG31:=IF(GT2=0 AND REF(GT2,1)<DT2 AND H<REF(H,REF(GT2,1)+1),1,0),NODRAW;

FD31:=IF(DT2=0 AND REF(DT2,1)<GT2 AND L>REF(L,REF(DT2,1)+1),1,0),NODRAW;

GT3:=BARSLAST(GT2=0 AND FG3<>1 AND FG31<>1 ),NODRAW;

DT3:=BARSLAST(DT2=0 AND  FD3<>1 AND FD31<>1),NODRAW;

FG4:=BACKSET(REFX(GT3,1)=0 AND GT3<DT3 AND REFX(H,1)>=REF(H,GT3),GT3+1),NODRAW;

FD4:=BACKSET(REFX(DT3,1)=0 AND DT3<GT3 AND REFX(L,1)<=REF(L,DT3),DT3+1),NODRAW;