¨¨¨¨¨¨~~=*                                          *=~~¨¨¨¨¨¨
¨¨¨¨¨¨¨~~=                                          =~~¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨~~                                          ~~¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨~                                          ~¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                   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            &&*=~~¨¨¨¨
¨¨¨~~=*&&#                                          #&&*=~~¨¨¨
¨¨~~=*&&##                                          ##&&*=~~¨¨
¨~~=*&&###                                          ###&&*=~~¨
¨¨~~=*&&##                                          ##&&*=~~¨¨
¨¨¨~~=*&&#                                          #&&*=~~¨¨¨