,,,&&&,,,&                                          ,,,&&&,,,,
,,,&,&&,,,                                          &,,&,&&,,,
,,,,,&&&,,                                          &&,,,&&&,,
,,,,,&,&&,                                          &&&,,&,&&,
,,,,,,,&&&                                          &,&&,,,&&&
&,,,,,,&,&                   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            ,,,,,&,,,&
&,,,&&&,,&                                          ,,,,,,&,,,
,&,,&,&&,,                                          ,,,,,,,&,,
,,&,,,&&&,                                          &,,,,,,,&,
,,,&,,&,&&                                          &&,,,,,,,&
&,,,&,,,&&                                          ,&&,,,,,,,