¨#¨¨##¨¨¨#                                          #¨¨¨#¨¨¨¨#
¨¨#¨###¨¨#                                          ¨#¨¨¨#¨¨¨¨
¨¨¨¨#¨##¨¨                                          ¨¨#¨¨¨#¨¨¨
¨¨¨¨¨¨###¨                                          ¨¨¨#¨¨¨#¨¨
¨¨¨¨¨¨#¨##                                          #¨¨¨#¨¨¨#¨
¨¨¨¨¨¨¨¨##                   body                   ##¨¨¨#¨¨¨#
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¨#¨¨¨¨¨¨¨¨                                          ¨###¨¨¨#¨¨
¨¨#¨¨¨¨¨¨¨            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            ###¨¨¨¨¨¨#
¨###¨¨¨#¨¨                                          #¨##¨¨¨¨¨¨
¨#¨##¨¨¨#¨                                          ¨¨###¨¨¨¨¨
¨¨¨###¨¨¨#                                          ¨¨#¨##¨¨¨¨
¨¨¨#¨##¨¨¨                                          ¨¨¨¨###¨¨¨
¨¨¨¨¨###¨¨                                          ¨¨¨¨#¨##¨¨