ft:=oss(ma(c,5),ma(c,10));fy:=cross(ma(c,10),ma(c,20));fu:=cross(ma(c,5),ma(c,20));510:=if(cross(ma(c,10),ma(c,5)),0,BARSLAST(ft));ts1020:=if(cross(ma(c,10),ma(c,5)),0,BARSLAST(fy));ts520:=if(cross(ma(c,10),ma(c,5)),0,BARSLAST(fu));ft1:=ref(ma(c,5),ts510+1);fy1:=ref(ma(c,10),ts1020+1);fu1:=ref(ma(c,20),ts520+1);ts520:=BARSLAST(fu);DRAWLINE(ft,ft1,fy,fy1,0),colorred,linethick2;DRAWLINE(ft,ft1,fu,fu1,0),colorred,linethick2;DRAWLINE(fu,fu1,fy,fy1,0),colorred,linethick2;