#include <stdio.h>
void format(int board[9][9]){
	for(int i=0;i<9;i++){
		if(i%3==0){
			printf("|-----------------|");
			printf("\n");
		}
		for(int j=0;j<9;j++){
			if(j%3==0){
				printf("|");
			}
		    printf("%d",board[i][j]);
		    if((j+1)%3!=0){
		    	printf(" ");
			}
		    if(j==8){
		    	printf("|");
			}
	    }
	    printf("\n");
    }
    printf("|-----------------|");
}
int main(){
	int 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}};
    format(board);
	
}