This puzzle can be solved using the following concepts. Practice using these concepts and improve your skills.
GoalYour program must output a solution to a 9x9 sudoku. A sudoku is a Latin Square which has the numbers 1-9 in each row, column, and 3x3 square.
First 9 lines: A string line with 9 digits corresponding to that line. A 0 is used for an empty space.
First 9 lines: A string line with 9 digits corresponding to that line. The original numbers should not have changed, and there should be no zeros left.
120070560 507932080 000001000 010240050 308000402 070085010 000700000 080423701 034010028
123874569 567932184 849651237 916247853 358196472 472385916 291768345 685423791 734519628
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