.¤........                                          ..........
...¤¤¤¤¤¤¤                                          .¤¤¤¤¤¤¤¤¤
.¤..¤¤¤¤¤¤                                          ..¤¤¤¤¤¤¤.
.....¤¤¤¤¤                                          ¤..¤¤¤¤¤..
¤¤¤¤..¤¤¤¤                                          ....¤¤¤..¤
¤¤¤....¤¤¤                   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            ...¤¤¤¤¤¤¤
..¤....¤¤¤                                          ¤¤..¤¤¤¤¤¤
....¤¤..¤¤                                          ¤....¤¤¤¤.
¤¤¤.......                                          ..¤¤..¤¤..
.¤..¤¤¤¤¤¤                                          ¤.........
.....¤¤¤¤.                                          ..¤¤¤¤¤¤¤¤