Three circuit hops as default.How does this function?

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Subject: Three circuit hops as default.How does this function?
From: Luis Maceira <luis_a_maceira@xxxxxxxxx>
Date: Sat, 23 Oct 2010 18:39:35 -0700 (PDT)
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A)MyComputer--->TorRelay1--->TorRelay2--->Final Destination.

B)MyComputer--->TorRelay1--->TorRelay2--->TorRelay3--->Final Destination.

What is the right one? A or B?The three means 3 jumps or 3 tor relays?

Follow-Ups:
- Re: Three circuit hops as default.How does this function?
  - From: andrew