xgx7:=ABS((VOL-REF(VOL,7))/REF(VOL,7))<0.04 AND
VOL>1.8*REF(VOL,2) AND
REF(VOL,1) REF(VOL,2) REF(VOL,3) REF(VOL,(7-3)) REF(VOL,(7-2)) REF(VOL,(7-1)) xgx8:=ABS((VOL-REF(VOL,8))/REF(VOL,8))<0.04 AND
VOL>1.8*REF(VOL,2) AND
REF(VOL,1) REF(VOL,2) REF(VOL,3) REF(VOL,(8-3)) REF(VOL,(8-2)) REF(VOL,(8-1)) xgx9:=ABS((VOL-REF(VOL,9))/REF(VOL,9))<0.04 AND
VOL>1.8*REF(VOL,2) AND
REF(VOL,1) REF(VOL,2) REF(VOL,3) REF(VOL,(9-3)) REF(VOL,(9-2)) REF(VOL,(9-1)) xgx10:=ABS((VOL-REF(VOL,10))/REF(VOL,10))<0.04 AND
VOL>1.8*REF(VOL,2) AND
REF(VOL,1) REF(VOL,2) REF(VOL,3) REF(VOL,(10-3)) REF(VOL,(10-2)) REF(VOL,(10-1)) xgx11:=ABS((VOL-REF(VOL,11))/REF(VOL,11))<0.04 AND
VOL>1.8*REF(VOL,2) AND
REF(VOL,1) REF(VOL,2) REF(VOL,3) REF(VOL,(11-3)) REF(VOL,(11-2)) REF(VOL,(11-1)) xgx12:=ABS((VOL-REF(VOL,12))/REF(VOL,12))<0.04 AND
VOL>1.8*REF(VOL,2) AND
REF(VOL,1) REF(VOL,2) REF(VOL,3) REF(VOL,(12-3)) REF(VOL,(12-2)) REF(VOL,(12-1)) xgx: xgx7=1 OR xgx8=1 OR xgx9=1 OR xgx10=1 OR xgx11=1 OR xgx12=1;