{"ref":"master","ref_type":"branch","master_branch":"master","description":"This Java project creates a randomly generated Sudoku puzzle. The user can choose a difficulty, save the puzzle and open it for later, solve the puzzle, and submit it for checking. When the puzzle is first generated, it is written to an external text file called \"generated.txt\" and when the puzzle is submitted, it is written to an external text file called \"output.txt\" which is used for checking for correctness.","pusher_type":"user"}