4D Sudoku
4dsudoku
Published
02/04/2009
The challenge is to construct a square block of numbered cubes, arranged in such a way that every possible row, column and side around the block contains each of the numbers 1 9.
Meanwhile inside the block, every 33 section, sliced vertically or horizontally, also consists of the digits 1 9. So pit your wits against the invisible force of the
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