•   
            1. 
http://www.23.229.103.171 |

http://m.23.229.103.171 |

http://wap.23.229.103.171 |

http://3g.23.229.103.171 |

http://4g.23.229.103.171 |

http://5g.23.229.103.171 |

http://mobile.23.229.103.171 |

http://vip.23.229.103.171 |

http://ios.23.229.103.171 |

http://anzhuo.23.229.103.171 |

http://3fdd.23.229.103.171 |

http://16c926.23.229.103.171 |

http://6016.23.229.103.171 |

http://0aee.23.229.103.171 |

http://e8.23.229.103.171 |

http://47ad.23.229.103.171 |

交换性原则正确的是