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