1D Projection
Another alternate-dimension puzzle is a view achievable in David Vanderschel's 3D Magic Cube. A 4-cube projected on to a 2D computer screen is an example of a general type of an n-dimensional puzzle projected on to a (n – 2)-dimensional space. The 3D analogue of this is to project the cube on to a 1-dimensional representation, which is what Vanderschel's program is capable of doing.
Vanderschel bewails that nobody has claimed to have solved the 1D projection of this puzzle. However, since records are not being kept for this puzzle it might not actually be the case that it is unsolved.
Read more about this topic: N-dimensional Sequential Move Puzzle
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