#include <stdio.h>

void print_sudoku(char sudoku[9][9]) {
    for (int i = 0; i < 9; i++) {
        if (i % 3 == 0 && i != 0) {
            printf("-------------------------\n");
        }
        for (int j = 0; j < 9; j++) {
            if (j % 3 == 0 && j != 0) {
                printf("| ");
            }
            printf("%c ", sudoku[i][j]);
        }
        printf("\n");
    }
}

int main() {
    char sudoku_board[9][9] = {
        {'5', '3', '0', '0', '7', '0', '0', '0', '0'},
        {'6', '0', '0', '1', '9', '5', '0', '0', '0'},
        {'0', '9', '8', '0', '0', '0', '0', '6', '0'},
        {'8', '0', '0', '0', '6', '0', '0', '0', '3'},
        {'4', '0', '0', '8', '0', '3', '0', '0', '1'},
        {'7', '0', '0', '0', '2', '0', '0', '0', '6'},
        {'0', '6', '0', '0', '0', '0', '2', '8', '0'},
        {'0', '0', '0', '4', '1', '9', '0', '0', '5'},
        {'0', '0', '0', '0', '8', '0', '0', '7', '9'}
    };

    print_sudoku(sudoku_board);

    return 0;
}