N:=30; DIF:=EMA(CLOSE,4)-EMA(CLOSE,43); DEA:=EMA(DIF,6); MACD:=(DIF-DEA)*2; A:=REF(L,1)=LLV(L,N); A1:=C>=O AND O>=L; A2:=MACD>0; A3:=MACD<=0 AND MACD>REF(MACD,1); A4:=A2 OR A3; XG1:=A AND A1 AND A4; B:=L=LLV(L,N); B1:=C>L AND C>REF(C,1); B2:=C>O AND O>=L; B3:=B1 OR B2; B4:=A4; XG2:=B AND B3 AND B4; XG3:XG1 OR XG2;