请老师把下面的副图指标中小散做个选股，先谢谢了

东南小聪明

DIFW:="MACD.DIF#WEEK"(12,26,9);
DEAW:="MACD.DEA#WEEK"(12,26,9);
FCA:=FILTER(CROSS(DIFW,DEAW) AND REF(DEAW,1)<0,13),NODRAW;
XG2:=FCA;
选股:= XG2  AND FCA;
STICKLINE(选股,10,15,3,0),COLOR0000FF;
STICKLINE(选股,15,20,2,0),COLORLICYAN;
STICKLINE(选股,20,25,1,0),COLORBLUE;
DRAWTEXT(选股,20,'*小散'),COLORYELLOW;

（百川）

{小散预警}
DIFW:="MACD.DIF#WEEK"(12,26,9);
DEAW:="MACD.DEA#WEEK"(12,26,9);
FCA:=FILTER(CROSS(DIFW,DEAW) AND REF(DEAW,1)<0,13),NODRAW;
XG2:=FCA;
小散预警:XG2 AND FCA;

（百川）

{小散预警}
DIFW:="MACD.DIF#WEEK"(12,26,9);
DEAW:="MACD.DEA#WEEK"(12,26,9);
FCA:=FILTER(CROSS(DIFW,DEAW) AND REF(DEAW,1)<0,13),NODRAW;
XG2:=FCA;
小散预警:XG2 AND FCA;