#include <stdio.h>
void printSudoku(char board[9][9]) {
    for (int i = 0; i < 9; i++) {
        for (int j = 0; j < 9; j++) {
            // 每个3x3小方格之间添加分隔符
            if (j % 3 == 0 && j != 0) {
                printf("| ");
            }
            printf("%c ", board[i][j]);
        }
        printf("\n");
        // 每个3行之间添加分隔符
        if ((i + 1) % 3 == 0 && i != 8) {
            printf("---------------------\n");
        }
    }
}

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

    printSudoku(board);
    return 0;
}