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#include <stdio.h>
#include <math.h>
void printarr(int arr[9][9])
{
int i,j,k,n;
for(n=0;n<=6;n=n+3)
{
printf("|-----------------------|\n") ;
for(i=n;i<=n+2;i++)
{
for(k=0;k<=6;k=k+3)
{
printf("|");
for(j=k;j<=k+2;j++)
{
printf(" %d",arr[i][j]);
}
printf(" ");
}
printf("|\n");
}
}
printf("|-----------------------|\n") ;
}
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}};
printarr(board);
}