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