"Source: Text/Code/CodeRng.text";
"Line: 227";
"Date: Tue Nov  5 09:08:43 2019";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Code/CodeRng.text, line: 227
// Example: H168E4 ()
print "Example: H168E4";
ei := GetEchoInput();
SetEchoInput(true);
R := Integers(9);
C1 := RepetitionCode(R, 5);
C1;
C2 := ZeroSumCode(R, 5);
C2;
C1 eq Dual(C2);
assert $1;
SetEchoInput(ei);
