codes:= [ PowerStructure(CodeLinFld) | LinearCode where w := Generator(GF(2, 2)), LinearCode where w := Generator(GF(2, 2)), LinearCode where w := Generator(GF(2, 2)), LinearCode where w := Generator(GF(2, 2)), LinearCode where w := Generator(GF(2, 2)), LinearCode where w := Generator(GF(2, 2)) ] ;