N1:=55;N2:=20;
LC:=REF(CLOSE,1);
WTR:=maX((HIGH - LOW),MAX((HIGH - LC),(LC - LOW)));
ATR:=SMA(WTR,20,1);
AA:=(HHV(HIGH,N1) - (2 * ATR));
BB:=crOSS(CLOSE,REF(HHV(HIGH,55),1));
SSS:=CROSS(MIN(MA(CLOSE,13),AA),CLOSE);
BBB:=BArslAst(BB);
SSSB:=BARSLAST(SSS);
B1:=((BBB = 0) AND (REF(SSSB,1) < REF(BBB,1)));
B1B:=BARSLAST(B1);
B2:=((((BB = 1) AND (B1B < SSSB)) AND (B1B > 0)) AND (COUNT(BB,SSSB) < 3));
买2:B2 = 1;