#include<iostream>
using namespace std;
int main()
{
	int N,a,flag=0,word,end=0;
	cin >> N;
	for (int i = 0; i < N * N; flag++)
	{
		cin >> a;
		i += a;
		word = flag % 2;
		for (int k = 0; k < a; k++)
		{
			cout << word;
			end++;
			if (end % 7 == 0)
				cout << endl;
		}
	}
	return 0;
}