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

const int N = 1e2 + 5;

char ans[N][N];

int main(){
    cin.tie(0)->sync_with_stdio(0);

    for(int i=0;i<100;i++){
        for(int j=0;j<100;j++){
            cout << "01"[(j%2&&i>0) ^ (i==0&&j==0) ^ (i==99&&j%2==0) ^ (i==99&&j==0)];
        }
        cout << "\n";
    }

    return 0;
}