KeyRemap4MacBook cannot map modifier combination after raw mapping

gistfile1.txt

    <item>                                                                     
      <name>Test</name>                                                              <appendix>Test</appendix>                                                
      <identifier>remap.kmnk_test</identifier>
      <autogen>--KeyToKey-- KeyCode::KEY_1, ModifierFlag::CONTROL_L, KeyCode::KEY_2</autogen>
      <autogen>--KeyToKey-- KeyCode::KEY_1, KeyCode::KEY_2</autogen>
      <autogen>--KeyToKey-- KeyCode::KEY_2, KeyCode::KEY_1</autogen>
      <autogen>--KeyToKey-- KeyCode::KEY_2, ModifierFlag::CONTROL_L, KeyCode::KEY_1</autogen>
    </item>