This was a direct result of me breaking my leg one summer, and literally having nothing else to do other than lay on the futon and meander around the internet in boredom.
I'm sure there's a technically more concise solution, however this is my first-run take at one single path that visits all countries of the world with minimal ocean travel (blue) and minimal doubling-back (brown).
I'm sure there's a technically more concise solution, however this is my first-run take at one single path that visits all countries of the world with minimal ocean travel (blue) and minimal doubling-back (brown).