Sudoku generator that uses a constrained breadth-first search algorithm to very efficiently generate random Sudoku puzzles. Adapted from Generating Sudoku Puzzles as an Inverse Problem, by Team #2306 of the University of Washington.
Current state: UI completed. Generator in progress.
References: Boothby, Tom, et al. Generating Sudoku Puzzles as an Inverse Problem. University of Washington, 18 Feb. 2008, sites.math.washington.edu/~morrow/mcm/team2306.pdf.