¨¨&&¨¨&¨¨¨                                          ¨¨¨&¨¨¨¨¨¨
&¨¨¨¨¨¨¨&&                                          &&¨¨¨&&&&&
¨¨&&&&&¨¨&                                          &¨¨&¨¨&&&&
¨¨¨&&&¨¨¨¨                                          ¨¨¨¨¨¨¨&&¨
&&¨¨&¨¨&&&                                          &&&&&&¨¨¨¨
¨¨¨¨¨¨¨¨&&                   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            ¨¨¨&&&¨¨&&
¨¨¨¨&&¨¨&&                                          &&¨¨&¨¨¨¨¨
&&&¨¨¨¨¨¨¨                                          &¨¨¨¨¨&&&&
&&¨¨&&&&&&                                          ¨¨&&&¨¨&&&
&¨¨¨¨&&&&¨                                          &¨¨&¨¨¨¨&&
¨¨&&¨¨&&¨¨                                          ¨¨¨¨¨&&¨¨&