N:=40;
WR21:=100-100*(HHV(HIGH,21)-CLOSE)/(HHV(HIGH,21)-LLV(LOW,21));
WR42:=100-100*(HHV(HIGH,42)-CLOSE)/(HHV(HIGH,42)-LLV(LOW,42));
B1:=IF(MA(CLOSE,30) >=REF(MA(CLOSE,30),1)AND CROSS(WR21,N),5,0);
B2:=IF(MA(CLOSE,30) >=REF(MA(CLOSE,30),1)AND CROSS(WR42,N),5,0);
B3:=IF(MA(CLOSE,30) >=REF(MA(CLOSE,30),1) AND (WR21-REF(WR21,1)) > 30,5,0);
S1:=IF(MA(CLOSE,30) < REF(MA(CLOSE,30),1)AND CROSS(80,WR21),-5,0);
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