(216) 4

Part of 1989 Tournament Of Towns

Problems(1)

TOT 216 1989 Spring Train S4 non-intersecting path on Rubik 's cube

Source:

Is it possible to mark a diagonal on each little square on the surface of a Rubik 's cube so that one obtains a non-intersecting path?
(S . Fomin, Leningrad)

combinatorial geometrygeometry3D geometry