> Enhance 34 to 36. Pan right and pull back. Stop. Enhance 34 to 46. Pull back. Wait a minute, go right, stop. Enhance 57 to 19. Track 45 left. Stop. Enhance 15 to 23. Give me a hard copy right there.
DECKARD: Enhance 224 to 176. Enhance, stop. Move in, stop. Pull out, track right, stop. Center in, pull back. Stop. Track 45 right. Stop. Center and stop. Enhance 34 to 36. Pan right and pull back. Stop. Enhance 34 to 46. Pull back. Wait a minute, go right, stop. Enhance 57 to 19. Track 45 left. Stop. Enhance 15 to 23. Give me a hard copy right there.
Once you see that each row appears to be a shifted copy of the same sequence, you'll spend at least part of that time yelling at the screen, hoping he hears you.
That's what I was taught back in undergrad. I can't quite remember the context, but I do remember having to start at the end and tracing backwards when looking at some simple programs.
> proactively decode the previous and next channel
Do you find yourself actually moving up and down the channels, and not through the guide to somewhere else entirely different than where you once where? My first move if I'm switching channels is to go to the guide, not to a channel one above or below my current channel.
I suppose it could run on the previous channel, but it certainly can't guess my next channel.
If it's the second frame of the three-panel strip, then, as another commenter hints, the trick is not to double back. You must complete a circuit around the map. I got frustrated and quit long before trying this until reading that comment, but it (arguably) pays off.
> Robert Jackson suggests that if you've completed a difference table and still don't understand the sequence, you should turn the paper through an angle of 60 degrees, say, and start again and perhaps repeat this several times to make a fan of difference tables.
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