,&&,,,,,,,                                          ,&,,,&&,,,
,,,,&&&&&&                                          ,,,&,,,,&&
,&&,,&&&&,                                          ,&,,,&&,,,
,,,,,,&&,,                                          ,,,&,,,,&&
,&&&&,,,,,                                          ,&,,,&&,,,
,,&&,,&&&&                   body                   ,,,&,,,,&&
,,,,,,,&&, ,,,,,,,,,,,,,,,,~~^$$^~~,,,,,,,,,,,,,,,, &&,,,&&,,,
&&&&&&,,,,                                          &,,&,,,,&&
&&&&&,,&&,            a body is a vessel            ,,,,,&&,,&
&&&&,,,,,,            a body is a vessel            &&&&,,,,,,
,&&,,&&&&&            a body is a vessel            &&&,,&&&&,
,,,,,,&&&&            a body is a vessel            &&,,,,&&,,
&&&&&,,&&&            a body is a vessel            ,,,&&,,,,&
&&&&,,,,&&            a body is a vessel            &&,,,,&&,,
,&&,,&&,,&            a body is a vessel            &,,&&,,,,,
,,,,,,,,,,            a body is a vessel            ,,,,,,&&&&
,&&&&&&&&&            a body is a vessel            &&&&&,,&&,
,,&&&&&&&&                                          &&&&,,,,,,
&,,&&&&&&&                                          &&&,,&&&&&
,,,,&&&&&,                                          &&,,,,&&&&
,&&,,&&&,,                                          &,,&&,,&&,
,,,,,,&,,&                                          ,,,,,,,,,,