"Source: Text/Code/QECC.text";
"Line: 417";
"Date: Thu Sep 25 14:47:47 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Code/QECC.text, line: 417
// Example: H171E7 ()
print "Example: H171E7";
ei := GetEchoInput();
SetEchoInput(true);
S := {@ i : i in [0 .. 11] @};
G := Graph<S |
    { {4*k+i,4*k+i+2}                     : i in [0..1], k in [0..2] },
    { {4*k+i,4*k+(i+1) mod 4}             : i in [0..3], k in [0..2] },
    { {4*k+i,4*((k+1) mod 3)+(i+1) mod 4} : i in [0..3], k in [0..2] } >;
Q := QuantumCode(G);
MinimumWeight(Q);
assert $1 eq 6;
Q:Minimal;
SetEchoInput(ei);
