The problem of the three houses on a Moebius strip
The problem of the three houses on the Moebius strip.You can see also other versions.
You can also try to solve this problem online with the interactive animation Paths without crossings.
Exhibit from matemilano, section "Topology".
© matematita
The image belongs to the sections...:
From the exhibition matemilano (Topology)
The Moebius strip (Topology)
Jordan's theorem and the three houses problem (Topology)
Images from the topology section (From the exhibitions of matematita)