RSVDS:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;AS:=(RSVDS,3,1);:=SMA(AS,3,1);AF:=3*AS-2*AC;AW:=LLV(AF,2)=LLV(AF,8);AH:=IF(OSS(AF,REF(AF+0.01,1)) AND AW AND AF<20,30,0);CROSS(AF,REF(AF+0.01,1)) AND AW AND AF<20;