- open input.txt
- enter your uncrackable sudoku following under instructions
1. first line is num of test case 2. under 9 lines are present its sudoku 3. '0' is blank and the others are given numbers 4. so on instruction 2, 3, if you have more case
- example
- open python and execute "sudoku_main.py"
$ python3 sudoku_main.py
- result