T1:=REF(C,1)/REF(C,2) 1 AND REF(C,1)/REF(C,2) 1.02 AND C/REF(C,1) 1.02 AND C/REF(C,1) 1.03;
T2:=REF(C,2)/REF(C,3) 1.015 AND REF(C,2)/REF(C,3) 0.985 AND REF(C,3)/REF(C,4) 1.015 AND REF(C,3)/REF(C,4) 0.985;
T3:=REF(C,4)/REF(C,5) 1.015 AND REF(C,4)/REF(C,5) 0.985 AND REF(C,5)/REF(C,6) 1.015 AND REF(C,5)/REF(C,6) 0.985;
XG:T1 AND T2 AND T3;