#¨##¨¨¨###                                          #####¨¨¨#¨
##¨#¨¨#¨¨¨                                          ¨¨¨¨#¨¨###
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#¨¨##¨#¨#¨                                          ¨¨#¨###¨¨¨
#¨#¨######                                          ¨###¨¨#¨¨#
####¨¨¨¨¨#                   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            #¨¨¨¨¨¨¨¨¨
¨¨¨#¨###¨¨                                          #¨¨¨¨¨¨¨¨¨
¨¨###¨¨#¨¨                                          #¨¨¨¨¨¨¨¨¨
¨#¨¨#¨##¨¨                                          #¨¨¨¨¨¨¨¨¨
##¨###¨#¨#                                          #¨¨¨¨¨¨¨¨¨
¨##¨¨####¨                                          #¨¨¨¨¨¨¨¨#