ÎçÒ¹¸£Àû1000¼¯ºÏ

Solution to four-colour theorem puzzle

It should be possible to colour in any map using just four colours and with no two adjacent regions ending up the same colour – here's how

It should be possible to colour in any map using just four colours and with no two adjacent regions ending up the same colour. Did you get something like this?

Solution to four-colour theorem puzzle

Continue reading: “Our number’s up: Machines will do maths we’ll never understand“

More from New Scientist

Explore the latest news, articles and features