ABSTRACT
Two islands in a river are connected to the banks by seven bridges, as shown. Can you cross all the bridges in one journey, not going back over the same bridge more than once? https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315069555/5d5201a7-70ac-4d14-a96d-80b2cf916e2e/content/fig0023.jpg"/>
