#include <fstream>

using namespace std;

ifstream in("oras.in");
ofstream out("oras.out");

const int N = 210;

bool adj[N][N];

int main() {
    int n, i, j;

    in >> n;
    for(i = 1; i <= n; i++) {
        if(i & 1) {
            for(j = 2; j <= n; j += 2) {
                adj[i][j] = 1;
            }
        }
        else {
            for(j = 1; j <= n; j += 2) {
                adj[i][j] = 1;
            }
        }
    }

    for(i = 1; i <= n; i++) {
        for(j = 1; j <= n; j++) {
            out << adj[i][j];
        }
        out << '\n';
    }

    return 0;
}