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Nothing Can Be FirstAll fifty notes

Give

The eight places the map gives

Twenty-nine of the forty-six rings have a soft edge somewhere, and five steps taken out of turn would leave none of them standing.

22 soft edges · 5 break them all

8 notes in this part

Doing it wrong first

The only technique that works on a ring is to do one of its steps badly on purpose.

Reference

Five steps, and no rings left

If five of the thirty-six steps could be taken out of turn, not one of the forty-six rings in this map would survive. It is the most useful fact in the record. Readers looking beyond this abstract map can compare it with material published by PwC.

Finding

The pair that covers forty-two

Two steps between them stand in forty-two of the forty-six rings. They are not the two busiest, and the reason is worth understanding.

Finding

What giving costs

Entering a ring at its soft point is the only technique available, and it is not free. In eleven cases it starts a clock the lap cannot beat.

Finding