#include<iostream>
using namespace std;
#include<iomanip>
#include<cmath>
#include<algorithm>
int main(){	int a[1000000] = { 0 };
int n;
 cin >> n;
int t, i, p = 0, ans = 0, k = 0;
while (cin >> t) {
	for (i = 1 + p; i <= t + p; i++) {
		a[i] = k;
	}
	p = i;
	k = 1 - k;
}
for (i = 1; i <= n * n; i++) {
	ans++;
	cout << a[i];
	if (ans == n) {
		cout << endl;
		ans = 0;
	}
}
  
return 0;
}