1. 2002-12-31 [4] =?iso-2022-jp?B?GyRCTCQ+NUJ6OS05cCIoSSw4KyEqTiI+cEpzI bird-user mmail0000 2. 2002-12-28 [1] =?iso-2022-jp?B?GyRCTCQ+NUJ6OS05cCIoJWEhPCVrJEckKjZiI bird-user mmail2222jp 3. 2002-12-03 [1] =?iso-2022-jp?B?GyRCTCQ+NUJ6OS05cCIoRUU7UiVhITwlazktO bird-user hmail3333jp 4. 2002-12-02 [1] =?iso-2022-jp?B?GyRCTCQ+NUJ6OS05cCIoRUU7UiVhITwlazktO bird-user hmail4444jp