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