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##¨¨¨¨¨¨¨¨                                          ######¨¨¨¨
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¨¨¨¨¨####¨                   body                   #¨¨¨¨####¨
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¨##¨¨¨¨¨¨¨                                          #¨¨¨¨¨¨¨¨¨
¨¨¨¨######            a body is a vessel            ¨¨########
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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            ##¨¨¨¨¨¨¨¨
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