...§§.....                                          ........§§
.§....§§§§                                          §§§§§§§...
...§§..§§§                                          §§§§§§..§§
.§......§.                                          §§§§§.....
...§§§§...                                          §§§§..§§§§
.§..§§..§§                   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            .§..§§§§§§
..........                                          .....§§§§.
§§§§§§§§§§                                          §§§§..§§..
.§§§§§§§§§                                          §§§.......
..§§§§§§§§                                          §§..§§§§§§
...§§§§§§.                                          §....§§§§.