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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 ...
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 ...