#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define SIZE 9
void Print(int board[9][9])
{
	int i,j;
	printf("|");
	for(i=0;i<9;i++)
	{
		for(j=0;j<9;j++)
		{
			printf("%d",board[i][j]);
			if(j==8)
			{
				printf("|\n");
			}
			if(i==8&&j==8)
			{
				break;
			}
			if((i+1)%3==0&&j==8&&i!=8)
			{
				printf("|-----------|\n");
			}
			if((j+1)%3==0)
			{
				printf("|");
			}
		}
	}
}

void printMatrix(int matrix[SIZE][SIZE]) {
	int i,j;
    for (i = 0; i < SIZE; i++) {
        for ( j = 0; j < SIZE; j++) {
            if (matrix[i][j] == 0) {
                printf(".");
            } else {
                printf("%d ", matrix[i][j]);
            }
        }
        printf("\n");
    }
}

int main() {
    srand(time(NULL));

    int matrix[SIZE][SIZE] = {0};
    int i, j, k, num, positions[3];
    for (i = 0; i < 3; i++) {
        for (j = 0; j < 3; j++) {
            do {
                positions[j] = rand() % SIZE;
            } while (positions[j] == positions[(j + 1) % 3] || positions[j] == positions[(j + 2) % 3]);
        }
        for (j = 0; j < 3; j++) {
            matrix[i][positions[j]] = rand() % 9 + 1;
        }
    }

    for (i = 3; i < 6; i++) {
        for (j = 0; j < 3; j++) {
            do {
                positions[j] = rand() % SIZE;
            } while (positions[j] == positions[(j + 1) % 3] || positions[j] == positions[(j + 2) % 3]);
        }
        for (j = 0; j < 3; j++) {
            matrix[i][positions[j]] = rand() % 9 + 1;
        }
    }

    for (i = 6; i < 9; i++) {
        for (j = 0; j < 3; j++) {
            do {
                positions[j] = rand() % SIZE;
            } while (positions[j] == positions[(j + 1) % 3] || positions[j] == positions[(j + 2) % 3]);
        }
        for (j = 0; j < 3; j++) {
            matrix[i][positions[j]] = rand() % 9 + 1;
        }
    }

    printMatrix(matrix);
    Print(matrix) ;

    return 0;
}