#include <bits/stdc++.h>
using namespace std;

int main(){
	int n,m=0,x=0,a=0,i=0;
	cin>>n;
	while(scanf("%d",&m) != EOF){
		for(int j=1;j<=m;j++){
			x++;
			if(i%2==0){
				cout<<"0";
			}if(i%2==1){
				cout<<"1";
			}
			if(x>0&&x%7==0){
				cout<<endl;
			}
		}
		i++;
		a+=m;
	}
	return 0;
}