Basic idea of variant 4., 5., 6.: by István Polyák (1993), variant 1., 2., 3. by László Nagy (1993.)
Just like 14-15 Puzzle but here Cubes rolling... SolutionVariant 4., 5., 6. for Beginner, SolutionVariant 1., 2. for Experts, SolutionVariant 3. only for Mathematiker! |