A1:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;A2:=SMA(A1,3,1);A3:=SMA(A2,3,1);A4:=3*A2-2*A3;X:=LLV(A4,2)=LLV(A4,8);XG:CROSS(A4,REF(A4+0.01,1)) AND X AND A4<20;