V1:=CLOSE>OPEN AND REF(CLOSE,1)<REF(OPEN,1) AND REF(CLOSE,2)>REF(OPEN,2) AND CLOSE>REF(OPEN,1) AND CLOSE>REF(CLOSE,2); V2:=V1 AND REF(V1,2) AND C>REF(C,4); BACKSET(V2,5) ; V3:=V1 AND REF(V1,3) AND C>REF(C,5); BACKSET(V3,6); V4:=V1 AND REF(V1,4) AND C>REF(C,6); BACKSET(V4,7);