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This is a walk made out of the first 100 billion digits of pi in base 4 with the following rules for the steps:  0 right  1 up  2 left  3 down The color indicates the path followed by the walk: it starts at red and moves up the spectrum (redorangeyellowgreencyanbluepurplered) as the walk progresses. A...

This is a walk made out of the first 10 billion digits of pi in base 4 with the following rules for the steps:  0 right  1 up  2 left  3 down

