RE: wonderings
12-20-2016, 04:05 AM
Well, if you just have one grid you can easily get 9! alternate grids by just taking the same layout but replacing the numbers.
And you have a large possibility space for which numbers you can remove from the grid. At a minimum, once you have one grid with a unique solution, you can make a technically different puzzle by filling in one more number, and then one more number from that grid, and there are an absurd number of alternate combinations. All of which can be repeated on the alternate grids and will still be solvable.
So maybe making one sudoku puzzle is comparable in difficulty to solving one, I'm not sure, but once you've made one it's trivial to make millions of others.
And you have a large possibility space for which numbers you can remove from the grid. At a minimum, once you have one grid with a unique solution, you can make a technically different puzzle by filling in one more number, and then one more number from that grid, and there are an absurd number of alternate combinations. All of which can be repeated on the alternate grids and will still be solvable.
So maybe making one sudoku puzzle is comparable in difficulty to solving one, I'm not sure, but once you've made one it's trivial to make millions of others.
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