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Each scenario is probably different, so you'd likely make a plan on the hoof: How far are you from your previous 'checkpoint', and how far is it to the next? What time of day is it, etc... If the ...
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Each scenario is probably different, so you'd likely make a plan on the hoof: How far are you from your previous 'checkpoint', and how far is it to the next? What time of day is it, etc... If the ...