figs. A&B (better)


- sally mckay 3-29-2011 11:00 am

Fig. C

- sally mckay 3-29-2011 11:01 am


not quite a mobius strip ... but almost.
- rd (guest) 4-01-2011 8:02 pm


Yeah, that's the nub of it. The middle bits could be mobius strips, but I can't figure out if there's any way to draw them convincingly and still keep the inputs and outputs.

diagram 8



- sally mckay 4-01-2011 8:58 pm





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