FG2:BACKSET(REFX(DT1,1)=0 AND GT1<3 AND DT1-GT1<4 AND REF(H,GT1)<HHV(H,DT1+5),GT1+1),NODRAW;

FD2A:BACKSET(REFX(DT1,1)=0 AND GT1<3 AND DT1-GT1<4 AND REF(H,GT1)>=HHV(L,DT1+5) AND REF(L,DT1)>LLV(L,DT1+5),DT1+1),NODRAW;

FD2B:IF(DT1=0 AND GT1<4 AND REF(DT1,1)-GT1<4 AND REF(H,GT1)>=HHV(H,REF(DT1,1)+6) AND L>LLV(L,REF(DT1,1)+6),1,0),NODRAW;

TTTTTT: H<REF(H,REF(GT1,1)+1) AND DT1<4,NODRAW;

HHHHHH:REF(LLV(L,10),DT1),NODRAW;

FG21:IF(GT1=0 AND DT1<4 AND H<=REF(H,REF(GT1,1)+1)  ,1,0),NODRAW;

FD21:IF(DT1=0 AND GT1<4  AND L>=REF(L,REF(DT1,1)+1) ,1,0),NODRAW;

FD231:BACKSET(REFX(GT1,1)=0 AND DT1>3 AND GT1>DT1 AND GT1-DT1<4 AND REFX(H,1)>REF(H,GT1) AND REF(L,DT1)>REF(LLV(L,10),DT1),DT1+1),NODRAW;

FG23:BACKSET(REFX(GT1,1)=0 AND DT1>3 AND GT1>DT1 AND  GT1-DT1<4 AND REFX(H,1)>REF(H,GT1) AND (REF(H,GT1)<REF(HHV(H,13),GT1) OR REF(FD231,DT1)=0),GT1+1),NODRAW;