### Representing permutations relatively compactly

Here is a more relative way to represent a permutation with the same economical number of bits.

### Representing permutations compactly

Here is a way to represent a permutation with a fairly economical number of bits.

### Jordan curve illustrations: drawing the curve

There is a Jordan curve such that every piecewise-linear path from the inside to the outside intersects the curve infinitely many times. I describe how to draw such a curve here, and do so.

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