B1:=REF(C,1);B2:=REF(C,2);
SS:=IF(C>REF(C,1) AND REF(C,1)>=REF(C,2),1,IF(C<REF(C,1) AND REF(C,1)<=REF(C,2),-1,IF(C>REF(C,2) AND REF(C,2)>REF(C,1),2,IF(C<REF(C,2) AND REF(C,2)<REF(C,1),-2,0))));
SM:=IF(REF(SS,1)<0 OR REF(SS,1)>0 ,REF(SS,1),IF(REF(SS,2)>0 OR REF(SS,2)<0,REF(SS,2),IF(REF(SS,3)<0 OR REF(SS,3)>0,REF(SS,3),IF(REF(SS,5)<0 OR REF(SS,5)>0,REF(SS,5),IF(REF(SS,6)<0 OR REF(SS,6)>0,REF(SS,6),IF(REF(SS,7)<0 OR REF(SS,7)>0,REF(SS,7),0))))));
TOW1:=IF(C>REF(C, 1), C,REF(C, 1));
TOW2:=IF((SS=-1 OR SS=-2) AND SM>0, B2,TOW1);
TOWER:=IF(TOW1>TOW2, TOW1,TOW2);
LC:=REF(C,1);
LC2:=REF(C,2);
平底:=LC<LC2 && C>=LC;
收阳:=C>O;
XG:平底 AND 收阳;
