LC:=REF(CLOSE,1);TR0:=MAX((HIGH - LOW),MAX((HIGH - LC),(LC - LOW)));AT:=SMA(TR0,20,1);AA:=(HHV(HIGH,20) - (2 * AT));DD:=OSS(CLOSE,REF(HHV(HIGH,55),1));SSS:=CROSS(MIN(MA(CLOSE,13),AA),CLOSE);BBB:=BARSLAST(DD);SSSB:=BARSLAST(SSS);A1:=((BBB = 0) AND (REF(SSSB,1) < REF BBB,1)));A2:=BARSLAST(A1);XG:((((DD> 0)) AND (COUNT(DD,SSSB) < 3));