"Source: Text/Geometry/ModAbVar.text";
"Line: 5990";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 5990
// Example: H148E88 ()
print "Example: H148E88";
ei := GetEchoInput();
SetEchoInput(true);
J := JZero(33);
D := Decomposition(J); D;
A := D[3];
B := Complement(A);
B;
Decomposition(B);
phi := 2*NaturalMap(JZero(11),JZero(33),1) - 3*NaturalMap(JZero(11),
                       JZero(33),3);
phi;
C,pi := ComplementOfImage(phi);
C;
Decomposition(C);
SetEchoInput(ei);
