#include <bits/stdc++.h>
#define int long long
using namespace std;
int a[31][31],n; 
int l[100];
int o[31]={2};
int p[31]={2};
signed main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			scanf("%d",&a[i][j]);
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			if(a[i][j]==1&&a[i+2][j]!=0&&o[i]==2){
				o[i]=0;
			}
			if(a[i][j]==1&&a[i+2][j]==0&&o[i]==0||a[i][j]==1&&a[i+2][j]==0&&o[i]==2){
				o[i]=1;
				p[i]=1;
				if(a[i][j]==1&&a[i-1][j]==0){
					p[i]==0;
				}
				if(a[i][j]==1&&p[i]==0){
					o[i]=0;
				}
			}
			if(o[i]==0&&a[i][j]==0&&a[i-1][j]==1){
				a[i][j]=1;
			}	
			if(a[i][j]==0&&o[i]==0)
				a[i][j]=1;
		}
	}
	for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)if(a[i][j]==0)a[i][j]=2;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			printf("%d",a[i][j]);
		}
		printf("\n");
	}
	return 0;
}