"Source: Text/Code/CodeZ4.text";
"Line: 348";
"Date: Thu Sep 25 14:47:47 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Code/CodeZ4.text, line: 348
// Example: H169E3 ()
print "Example: H169E3";
ei := GetEchoInput();
SetEchoInput(true);
C, Gc := HadamardCodeZ4(2,4);
C;
Gc;
HasLinearGrayMapImage(C);
D, Gd := ExtendedPerfectCodeZ4(2,4);	
D;
Gd;
DualKroneckerZ4(C) eq D;
assert $1;
SetEchoInput(ei);
