通达信公式源码概况：
指标类别：通达信公式
授权方式： 免费版
指标评级： ★★★★★
指标分类： 策略
画线方法： 副图
一、通达信多因子量化交易指标公式
LF:=100*(EMA(IF(C>O,VOL,0),10)-EMA(IF(C<O,VOL,0),10))/EMA(VOL,5);
量化趋势:SMA(LF,3,1),COLOR00FF00,LINETHICK2;
量化动力:3*量化趋势-2*SMA(量化趋势,3,1),COLORFF00FF;
做空95:HHV((HIGH+LOW+OPEN+2*CLOSE)/5+H-L,5);
做空68:HHV((HIGH+LOW+OPEN+2*CLOSE)/5*2-L,5);
平衡点:LLV((HIGH+LOW+OPEN+2*CLOSE)/5,3);
做多68:LLV((HIGH+LOW+OPEN+2*CLOSE)/5*2-H,8);
做多95:LLV((HIGH+LOW+OPEN+2*CLOSE)/5-H+L,8);
F:=100*(C-REF(C,1))/REF(C,1);
今小昨:=IF(C<REF(O,1)ANDF<0,1,0);
P1:=今小昨;
今小前:=IF(C<REF(O,2)ANDF<0,1,0);
P2:=今小前;
STICKLINE(P1=0ANDREF(P1,1)=1ANDP2=0ANDREF(P2,1)=1,OPEN,CLOSE,6,0),COLORMAGENTA;
STICKLINE(P1=1ANDREF(P1,1)=0ANDP2=1ANDREF(P2,1)=0,OPEN,CLOSE,3,0),COLORBLUE;
V1:=ISLASTBAR;
n:=13;
V2:=REF(HIGH,N)=HHV(HIGH,2*N+1);
V3:=FILTER(V2,N);
V4:=BACKSET(V3,N+1);
V5:=FILTER(V4,N);
V6:=V5ORV1;
V7:=REF(LOW,N)=LLV(LOW,2*N+1);
V8:=FILTER(V7,N);
V9:=BACKSET(V8,N+1);
VA:=FILTER(V9,N);
VB:=VAANDNOT(V5);
VC:=BACKSET(V6,REF(BARSLAST(VB),1)+1);
VD:=VC>REF(VC,1);
VE:=BACKSET(VD,2);
VF:=VE>REF(VE,1);
V10:=BACKSET(VFANDCOUNT(V6,REF(BARSLAST(VB),1)+2)=0,REF(BARSLAST(VB),1)+2);
V11:=V10>REF(V10,1);
V12:=BACKSET(V11ANDCOUNT(V6,REF(BARSLAST(VB),1)+2)=0,REF(BARSLAST(VB),1)+2);
V13:=V12>REF(V12,1);
V14:=IF(V6,COUNT(VB,REF(BARSLAST(V6),1)+1),0);
V15:=IF(V14=1ANDV6,BARSLAST(VF),0);
V16:=IF(V6ANDREF(LOW,BARSLAST(VF))>=REF(LOW,BARSLAST(V11)),BARSLAST(V11),BARSLAST(VF));
V17:=IF(V14=2ANDV6,V16,0);
V18:=IF(V14>=3ANDV6,IF(V6ANDREF(LOW,V16)>=REF(LOW,BARSLAST(V13)),BARSLAST(V13),V16),0);
V19:=V15+V17+V18;
V1A:=BACKSET(V6,V19);
V1B:=V1A>REF(V1A,1);
V1C:=BACKSET(V1B,2);
V1D:=V1C>REF(V1C,1);
V1E:=V1DORV1;
V1F:=BACKSET(V1E,REF(BARSLAST(V6),1)+1);
V20:=V1F>REF(V1F,1);
V21:=BACKSET(V20,2);
V22:=V21>REF(V21,1);
V23:=BACKSET(V22ANDCOUNT(V1E,REF(BARSLAST(V6),1)+2)=0,REF(BARSLAST(V6),1)+2);
V24:=V23>REF(V23,1);
V25:=BACKSET(V24ANDCOUNT(V1E,REF(BARSLAST(V6),1)+2)=0,REF(BARSLAST(V6),1)+2);
V26:=V25>REF(V25,1);
V27:=IF(V1E,COUNT(V5,REF(BARSLAST(V1E),1)+1),0);
V28:=IF(V27=1ANDV1E,BARSLAST(V22),0);
V29:=IF(V1EANDREF(HIGH,BARSLAST(V22))<=REF(HIGH,BARSLAST(V24)),BARSLAST(V24),BARSLAST(V22));
V2A:=IF(V27=2ANDV1E,V29,0);
V2B:=IF(V27>=3ANDV1E,IF(V1EANDREF(HIGH,V29)<=REF(HIGH,BARSLAST(V26)),BARSLAST(V26),V29),0);
V2C:=V28+V2A+V2B;
V2D:=BACKSET(V1E,V2C);
V2E:=V2D>REF(V2D,1);
V2F:=BACKSET(V2E,2);
V30:=V2F>REF(V2F,1);
DRAWLINE(V1D,LOW,V30,HIGH,0),linethick1;
DRAWLINE(V30,HIGH,V1D,LOW,0),linethick1;
V31:=BACKSET(V1,BARSLAST(V1D)+1);
V32:=V31>REF(V31,1);
V33:=BACKSET(V1,BARSLAST(V30)+1);
V34:=V33>REF(V33,1);
V35:=IF(BARSLAST(V32)<BARSLAST(V34),V32,V34);
V36:=IF(BARSLAST(V32)<BARSLAST(V34),LOW,HIGH);
DRAWLINE(V35,V36,V1,CLOSE,0),linethick1;
V37:=BACKSET(V1,BARSLAST(V1D)+1);
V38:=V37>REF(V37,1);
V39:=BACKSET(V38,REF(BARSLAST(V1D),1)+2);
V3A:=V39>REF(V39,1);
DRAWLINE(V3A,LOW,V38,LOW,1),linethick1,coloryellow,POINTDOT;
V3B:=BACKSET(V1,BARSLAST(V30)+1);
V3C:=V3B>REF(V3B,1);
V3D:=BACKSET(V3C,REF(BARSLAST(V30),1)+2);
V3E:=V3D>REF(V3D,1);
DRAWLINE(V3E,HIGH,V3C,HIGH,1),linethick1,coloryellow,POINTDOT;
xx1:REF(LOW,BARSLAST(V38)),colorccff99,linethick2;
前二低:REF(LOW,BARSLAST(V3A)),colormagenta,linethick2;
yy1:REF(HIGH,BARSLAST(V3C)),colorccff99,linethick2;
前二高:REF(HIGH,BARSLAST(V3E)),colormagenta,linethick2;
DRAWNUMBER(ISLASTBAR,yy1,yy1,2);
DRAWNUMBER(ISLASTBAR,xx1,xx1,2);
DRAWNUMBER(ISLASTBAR,前二低,前二低,2);
DRAWNUMBER(ISLASTBAR,前二高,前二高,2);
J:=REF(HIGH,N)=HHV(HIGH,2*N+1);
JA:=FILTER(J,N);
BB:=BACKSET(JA,N+1);
J1:=FILTER(BB,N);
J:=J1ORISLASTBAR;
J2:=REF(LOW,N)=LLV(LOW,2*N+1);
JA2:=FILTER(J2,N);
BB2:=BACKSET(JA2,N+1);
J22:=FILTER(BB2,N);
J2:=J22ANDNOT(J1);
EA:=BACKSET(J,REF(BARSLAST(J2),1)+1);
EB:=EA>REF(EA,1);JF:=BACKSET(EB,2);
JJ1:=JF>REF(JF,1);
JF2:=BACKSET(JJ1ANDCOUNT(J,REF(BARSLAST(J2),1)+2)=0,REF(BARSLAST(J2),1)+2);
JJ2:=JF2>REF(JF2,1);
JF3:=BACKSET(JJ2ANDCOUNT(J,REF(BARSLAST(J2),1)+2)=0,REF(BARSLAST(J2),1)+2);
JJ3:=JF3>REF(JF3,1);
js:=IF(J,COUNT(J2,REF(BARSLAST(J),1)+1),0);
G1:=IF(JS=1ANDJ,BARSLAST(JJ1),0);
GA:=IF(JANDREF(LOW,BARSLAST(JJ1))>=REF(LOW,BARSLAST(JJ2)),BARSLAST(JJ2),BARSLAST(JJ1));
G2:=IF(JS=2ANDJ,GA,0);
G3:=IF(JS>=3ANDJ,IF(JANDREF(LOW,GA)>=REF(LOW,BARSLAST(JJ3)),BARSLAST(JJ3),GA),0);
GG:=G1+G2+G3;
JA:=BACKSET(J,GG);JB:=JA>REF(JA,1);JJ:=BACKSET(JB,2);
LD:=JJ>REF(JJ,1);
LD1:=LDORISLASTBAR;
hEA:=BACKSET(LD1,REF(BARSLAST(J),1)+1);
hEB:=hEA>REF(hEA,1);hJF:=BACKSET(hEB,2);
hJJ1:=hJF>REF(hJF,1);
hJF2:=BACKSET(hJJ1ANDCOUNT(LD1,REF(BARSLAST(J),1)+2)=0,REF(BARSLAST(J),1)+2);
hJJ2:=hJF2>REF(hJF2,1);
hJF3:=BACKSET(hJJ2ANDCOUNT(LD1,REF(BARSLAST(J),1)+2)=0,REF(BARSLAST(J),1)+2);
hJJ3:=hJF3>REF(hJF3,1);
hjs:=IF(LD1,COUNT(J1,REF(BARSLAST(LD1),1)+1),0);
hG1:=IF(hJS=1ANDLD1,BARSLAST(hJJ1),0);
hGA:=IF(LD1ANDREF(HIGH,BARSLAST(hJJ1))<=REF(HIGH,BARSLAST(hJJ2)),BARSLAST(hJJ2),BARSLAST(hJJ1));
hG2:=IF(hJS=2ANDLD1,hGA,0);
hG3:=IF(hJS>=3ANDLD1,IF(LD1ANDREF(HIGH,hGA)<=REF(HIGH,BARSLAST(hJJ3)),BARSLAST(hJJ3),hGA),0);
hGG:=hG1+hG2+hG3;
hJA:=BACKSET(LD1,hGG);
hJB:=hJA>REF(hJA,1);
hJJ:=BACKSET(hJB,2);
HD:=hJJ>REF(hJJ,1),linethick2;
UU:=BACKSET(ISLASTBAR,BARSLAST(LD)+1);
VV:=10*(UU>REF(UU,1));
UU2:=BACKSET(ISLASTBAR,BARSLAST(HD)+1);
VV2:=20*(UU2>REF(UU2,1));
{————————————————————————————-}
底1:=REF(LOW,BARSLAST(LD)),COLORred,LINETHICK1;
頂1:=REF(HIGH,BARSLAST(HD)),COLORGreen,LINETHICK1;
STICKLINE(HD,頂1,底1,0,0),Color660099,linethick1;{??}
DRAWLINE(LD,LOW,HD,HIGH,0),Color660099,linethick1;{斜}
DRAWLINE(LD,LOW,HD,底1,0),Color660099,linethick1;{?}
STICKLINE(LD,頂1,底1,0,0),Color666666,linethick1;{??}
DRAWLINE(HD,HIGH,LD,LOW,0),Color666666,linethick1;{斜}
DRAWLINE(HD,HIGH,LD,頂1,0),Color666666,linethick1;{?}
{—————————————————————————————————————–}
底:REF(LOW,BARSLAST(VV)),COLORred,LINETHICK2;
頂:REF(HIGH,BARSLAST(VV2)),COLORGreen,LINETHICK2;
{下迭三角形：藍色三角形畫完介入}
STICKLINE(VV,頂,底,0,0),Colorff6633,linethick3;{??}
DRAWLINE(VV2,HIGH,VV,LOW,0),Colorff6633,linethick3;{斜}
DRAWLINE(VV2,HIGH,VV,頂,0),Colorff6633,linethick3;{?}
{DRAWLINE(c>0,H,VV,L,0),Colorcyan,linethick2;}{斜}
{DRAWLINE(c>1,H,VV,頂,0),Colorcyan,linethick2;}{?}
{上漲三角形：紅色三角形畫完出局}
STICKLINE(VV2,頂,底,0,0),Colorred,linethick3;{??}
DRAWLINE(VV,LOW,VV2,HIGH,0),Colorred,linethick3;{斜}
DRAWLINE(VV,LOW,VV2,底,0),Colorred,linethick3;{?}
{———————————————————————————————————————————–}
hat:=HHV(HIGH,20);
hbt:=LLV(LOW,20);
hht:=HIGH;
llt:=LOW;
xat:=hat[DATACOUNT];
xbt:=hbt[DATACOUNT];
hbc[1]:=0;
nat:=hbc[1];
nbt:=hbc[1];
hnat:=hbc[1];
hnbt:=hbc[1];
cat:=hbc[1];
cbt:=hbc[1];
hct:=CLOSE;
for i=DATACOUNTdowntoDATACOUNT-100 do
begin
IFhat[i]=xatthennat:=nat+1;
IFhat[i]=xat andnat=1thencat:=i;
IFhat[i]=xat andnat=1thenhnat:=hat[i];
IFhbt[i]=xbtthennbt:=nbt+1;
IFhbt[i]=xbtandnbt=1thencbt:=i;
IFhbt[i]=xbtandnbt=1thenhnbt:=hbt[i];
end;
hac[1]:=0;
atta:=hac[1];
attb:=hac[1];
atth1:=hac[1];
atth2:=hac[1];
atthi1:=hac[1];
atthi2:=hac[1];
attl1:=hac[1];
attl2:=hac[1];
attli1:=hac[1];
attli2:=hac[1];
hh:=HIGH;
LL:=LOW;
{————————————————————————————————————————}
FORI=DATACOUNTdownTO DATACOUNT-100 do
begin
IF HD[i]>0thenatta:=atta+1;
IFHD[i]>0andatta=1then atth1:=hh[i];
IFHD[i]>0andatta=1then atthi1:=i;
IFHD[i]>0andatta=2then atth2:=hh[i];
IFHD[i]>0andatta=2then atthi2:=i;
IFLD[i]>0thenattb:=attb+1;
IFLD[i]>0andattb=1then attl1:=LL[i];
IFLD[i]>0andattb=1then attli1:=i;
IFLD[i]>0andattb=2then attl2:=LL[i];
IFLD[i]>0andattb=2then attli2:=i;
end;
{——————————————————————————}
nnn1:=70;
nnn:=70;
nnn2:=100;
nnn3:=DATACOUNT-1;
{HH:=HHV(H,Nnn1);}
{LL:=LLV(L,Nnn1);}
dd3:=CLOSE;
dd4:=CLOSE;
dd5:=CLOSE;
ddt:=CLOSE;
ldd3:=CLOSE;
ldd4:=CLOSE;
ldd5:=CLOSE;
lddt:=CLOSE;
hh1:=atth1;
hh2:=atth2;
ll1:=attl1;
ll2:=attl2;
aa:=HIGH;
xbb:=LOW;
cc:=CLOSE;
caa1:=atthi1,linethick1;
//caa1,linethick3;
caa2:=atthi2;
cbb1:=attli1;
cbb2:=attli2;
hnaa1:=atth1;
hnaa2:=atth2;
hnbb1:=attl1;
hnbb2:=attl2;
//hnbb2,linethick3;
//hnaa2,linethick3;
hnaat:=hnat;
hnbbt:=hnbt;
caat:=cat;
cbbt:=cbt;
//PARTLINE(CLOSE>0andBARSCOUNT(CLOSE)<DATACOUNT-(DATACOUNT-caa2)and dd3>SYSPARAM(5)*0.9,dd3),linethick1,shift99,color007700;
//PARTLINE(CLOSE>0andBARSCOUNT(CLOSE)<DATACOUNT-(DATACOUNT-caa2),dd4),linethick1,shift99,coloryellow;
PARTLINE(CLOSE>0andBARSCOUNT(CLOSE)<DATACOUNT-(DATACOUNT-caa2)and (dd5>SYSPARAM(5)*0.94anddd5<SYSPARAM(4)*1.06),dd5),linethick2,POINTDOT,shift99,color007700;
DRAWNUMBER(BARSCOUNT(CLOSE)+99=DATACOUNTand (dd5>SYSPARAM(5)*0.94anddd5<SYSPARAM(4)*1.06),dd5,dd5,2),color007700,shift100;
STICKLINE(BARSCOUNT(CLOSE)+99=DATACOUNTand (dd5>SYSPARAM(5)*0.94anddd5<SYSPARAM(4)*1.06),dd5,dd5+dd5*0.0001,60,0),color007700,shift99;
PARTLINE(CLOSE>0andBARSCOUNT(CLOSE)<DATACOUNT-(DATACOUNT-caa1)and ddt>SYSPARAM(5)*0.975,ddt),linethick3,POINTDOT,shift99,color007700;
DRAWNUMBER(BARSCOUNT(CLOSE)+99=DATACOUNT,ddt,ddt,2),color007700,shift100;
STICKLINE(BARSCOUNT(CLOSE)+99=DATACOUNT,ddt,ddt+ddt*0.0001,60,0),color007700,shift99;
{partline(c>0andbarscount(c)<datacount-(datacount-cbb2)and ldd3<sysparam(4)*1.07,ldd3),linethick1,shift99,colorcc3366;}
{partline(c>0andbarscount(c)<datacount-(datacount-cbb2),ldd4),linethick1,shift99,colorcc3366;}
PARTLINE(CLOSE>0andBARSCOUNT(CLOSE)<DATACOUNT-(DATACOUNT-cbb2)and ldd5<SYSPARAM(4)*1.06,ldd5),linethick2,POINTDOT,shift99,colorcc3366;
DRAWNUMBER(BARSCOUNT(CLOSE)+99=DATACOUNT,ldd5,ldd5,2),colorcc3366,shift100;
STICKLINE(BARSCOUNT(CLOSE)+99=DATACOUNT,ldd5,ldd5+ldd5*0.0001,60,0),colorcc3366,shift99;
PARTLINE(CLOSE>0andBARSCOUNT(CLOSE)<DATACOUNT-(DATACOUNT-cbb1)and lddt<SYSPARAM(4)*1.06,lddt),linethick3,POINTDOT,shift99,colorcc3366;
DRAWNUMBER(BARSCOUNT(CLOSE)+99=DATACOUNT,lddt,lddt,2),colorcc3366,shift100;
STICKLINE(BARSCOUNT(CLOSE)+99=DATACOUNT,lddt,lddt+lddt*0.0001,60,0),colorcc3366,shift99;
AC:=CLOSE;
AH:=HIGH;
AL:=LOW;
AO:=OPEN;
STICKLINE(AC>=AO,AH,AC,1,0),color008899;
STICKLINE(AC>=AO,AH,AC,0,0),color77ffee;
STICKLINE(AC>=AO,AO,AL,1,0),color008899;
STICKLINE(AC>=AO,AO,AL,0,0),color77ffee;
STICKLINE(AC>AO,AC,AO,8,0),COLOR008899;
STICKLINE(AC>AO,AC,AO,7,0),COLOR1199aa;
STICKLINE(AC>AO,AC,AO,6,0),COLOR22aabb;
STICKLINE(AC>AO,AC,AO,5,0),COLOR33bbcc;
STICKLINE(AC>AO,AC,AO,4,0),COLOR44ccdd;
STICKLINE(AC>AO,AC,AO,3,0),COLOR55ddee;
STICKLINE(AC>AO,AC,AO,2,0),COLOR66eeee;
STICKLINE(AC>AO,AC,AO,1,0),COLOR77ffee;
STICKLINE(AC<=AO,AH,AC,1,0),colorff8800;
STICKLINE(AC<=AO,AH,AC,0,0),colorffff33;
STICKLINE(AC<=AO,AO,AL,1,0),colorff8800;
STICKLINE(AC<=AO,AO,AL,0,0),colorffff33;
STICKLINE(AC<=AO,AC,AO,8,0),COLORff8800;
STICKLINE(AC<=AO,AC,AO,7,0),COLORff9900;
STICKLINE(AC<=AO,AC,AO,6,0),COLORffaa11;
STICKLINE(AC<=AO,AC,AO,5,0),COLORffbb11;
STICKLINE(AC<=AO,AC,AO,4,0),COLORffcc22;
STICKLINE(AC<=AO,AC,AO,3,0),COLORffdd22;
STICKLINE(AC<=AO,AC,AO,2,0),COLORffee33;
STICKLINE(AC<=AO,AC,AO,1,0),COLORffff33;
rc:=DYNAINFO(3);
s2:=SMA(CLOSE,3,1);
s6:=SMA(CLOSE,5,1);
dk:=2*(s2-s6);
STICKLINE(dk>0,rc,rc+dk,0,1),COLORRED;
STICKLINE(dk<0,rc,rc+dk,0,1),COLORCYAN;
rc,COLORBROWN;
MA(CLOSE,9);
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,9)),CLOSE,OPEN,8,0),colorred;
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,9)),HIGH,LOW,0.8,0),COLORred;
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,55)),CLOSE,OPEN,6,0),COLORgray;
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,55)),HIGH,LOW,0.6,0),COLORgray;
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,23.5)),CLOSE,OPEN,7,0),COLORyellow;
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,23.5)),HIGH,LOW,0.7,0),COLORyellow;
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,120)),CLOSE,OPEN,5,0),COLORMAGENTA;
STICKLINE(CROSS(MA(CLOSE,1),MA(CLOSE,120)),HIGH,LOW,0.5,0),COLORMAGENTA;
PARTLINE(MA(CLOSE,3),MA(CLOSE,3)),coloryellow,linethick2;
PARTLINE(MA(CLOSE,9),MA(CLOSE,9)),COLORMAGENTA,linethick2;
PARTLINE(MA(CLOSE,23.5),MA(CLOSE,23.5)),colorwhite;
[源码注释]通达信公式动态翻译结果
N赋值:6
输出TJ:收盘价的60日简单移动平均<=1日前的收盘价的60日简单移动平均AND 统计N日中满足收盘价的5日简单移动平均上穿收盘价的60日简单移动平均的天数 AND 收盘价的5日简单移动平均>=1日前的收盘价的5日简单移动平均AND 收盘价的10日简单移动平均上穿收盘价的60日简单移动平均 AND 收盘价的10日简单移动平均<=1日前的收盘价的10日简单移动平均
指标公式知识：
单根k线形态意义
–带上影线黑K线–炸弹线
炸弹线的参考价值很高,它传递一种市场已经转势的信号,在高位突然拉出炸弹线的话,正如这种图形给人的直观印象一下,方向坚定地往下,在很多时候,股价跌破支撑位,往往是以炸弹形式跌破,这时更应迅速离场,跟着别人跳水是没有错的,这种情况不能拖延,这是非常危险的信号,往往次日就跳空低开一路向下,再也没有接你下山的机会了。
&nbsp;
–带下影线之黑K线
这种黑k线告诉你,虽然开盘后就受到猛烈的打压,但是在收盘至最低价这一区间有多头的反抗。收盘价至开盘价是空头的基地,收盘价至最低价是多头的阵营。这种图形往往在整理态势中出现,或者在巨量大长阳的第二天出现。
–带上影线之⊥K线
出现在高档：股价拉回机会较大,暂时观望。
出现在低档：多属清洗浮额的阶段,日后若遇突破高点则可逢低介入,若突破后又逢跌破底点则应出脱持股。
–带下影线之K线
出现在低档：安全性高,股价应是短期底部或是接近底部。出现在高档：又逢爆大量且无法收高,变盘反转的机会较大。
–变盘线线星线
十字星线无论出现在高点还是低点,都意味着市场将转势,即往相反的方向运行。
–跳空涨停K线,在股票软件中就是”一“字状态
这种情况,往往是特大利好消息首次公布,直接被大买单封涨停。这个时候一般散户是买不到筹码的,往往次日连续涨停。
–跳空跌停之K线
跳空跌停说明该股处于利空之中,大家纷纷不计价格的抛售手中的股票,市场看淡。
每日通达信公式解答：
股票公式编写要求：
60日走平或者向下，5日和10上穿60日线的选股公式。
股票公式编写结果：
N:=6;
TJ:MA(C,60)<=REF(MA(C,60),1)
AND COUNT(CROSS(MA(C,5),MA(C,60)),N) AND MA(C,5)>=REF(MA(C,5),1)
AND CROSS(MA(C,10),MA(C,60)) AND MA(C,10)<=REF(MA(C,10),1);
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