Country Neighbour Connect: Most Densely Populated, starting with World's Most Densely Populated
Always choose the most densely populated neighbour, when left with no neighbors go back to the previous country and follow with second most densely populated neighbor.
Start with Monaco, the most densely populated country in the world!
Overseas borders are considered: UK-Spain, Spain-Morocco, France-Netherlands, France-Brazil/Suriname
Dubious India-Sri Lanka and Qatar-UAE are not considered