Challenger Seen Self Arrive
Think of a swimmer who takes on a new sea crossing each summer, with a judge watching.
One of the sixteen types a reading can name. Begin the reading
This shape moves from one personal goal to the next, taking real risks for each, and wants every finish to happen where other people can see it. Because a goal only counts once it is reached, a long one can mean years of work with nothing yet to show.
None of these people took the reading. The record of each shows the shape.
In Jules Verne's Around the World in Eighty Days (1872), Phileas Fogg bets twenty thousand pounds at his London club that he can circle the globe in eighty days, and must be back in the club by a quarter to nine on 21 December. One chosen goal, a fixed finish and witnesses waiting at the end show the shape from outside.
Source: gutenberg.org
Junko Tabei reached the top of Everest on 16 May 1975, the first woman to do so, on a climb paid for in part by the Yomiuri Shimbun newspaper and Nippon Television. In 1992 she became the first woman to stand on the highest peak of every continent. A run of separate goals, each finished in public view, shows the shape from outside.
Source: en.wikipedia.org
The Perennial shares three of these sides and differs on what done means: it wants the contest to go on, while this shape wants a finish and then a new goal.
Each shares three sides with this shape. On the right is the side it has instead.