X_1:=DATE-1000000;
X_2:=IF(X_1<180220,1,0);
X_3:=TDXDLL1(1,2,CLOSE,HIGH)*X_2;
X_4:=TDXDLL1(1,4,CLOSE,10)*X_2;
X_5:=TDXDLL1(1,15,CLOSE,20)*X_2;
X_6:=TDXDLL1(1,21,CLOSE,60)*X_2;
XT11:TDXDLL1(1,2,CLOSE,HIGH)*X_2;
XT22:TDXDLL1(1,4,CLOSE,10)*X_2;
XT33:TDXDLL1(1,15,CLOSE,20)*X_2;
XT44:TDXDLL1(1,21,CLOSE,60)*X_2;
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