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Squire and his team could see, from the type of light sockets and electrical outlets visible in the images, that Lucy was in North America. But that was about it.
Today's NYT Strands hints are easy if you like the finer things in life.
If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value: