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This is part of my attempt at the Week-End Challenge #3. The overall problem is larger than will fit in one question. This is a well-contained subset of my larger program.

This is part of my attempt at the Week-End Challenge #3. The overall problem is larger than will fit in one question. This is a well-contained subset of my larger program.

It has been suggested that the following code is not 'in the spirit' of the week-end challenge because it works off a pre-processed Sudoku puzzle. This is true... I have the data pre-processed in this BruteMain class, but that is only because I wanted to make it easy to run the above algorithm in a self-contained way. The remainder of the code I wrote (i.e. not the code above) is all about solving the Sudoku puzzle as much as I can, (including parsing input, and creating the 'pre-processed' puzzle). That code is more than can fit i a single CodeReview question, so I have broken out just this brute-force code, and a simple way for others (you) to run it.

I have added in an Ideone implementation of this solution.