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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            #&††~.....
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