#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cassert>

#define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl;
#define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

using namespace std;
typedef long long ll;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << setprecision(10) << fixed;
    int v, d; cin >> v >> d;
    if(v == 1){
        cout << 1 << endl;
        return 0;
    }
    if(v == 2){
        if(d == 1){
            cout << "11" << endl;
            cout << "11" << endl;
        }else if(d%2 == 1){
            cout << "11" << endl;
            cout << "10" << endl;
        }else{
            cout << "11" << endl;
            cout << "10" << endl;
        }
        return 0;
    }
    if(d == 1){
        for(int i = 0; i < v; i++){
            for(int j = 0; j < v; j++){
                cout << 1;
            }
            cout << endl;
        }
    }else{
        for(int i = 0; i < v; i++){
            for(int j = 0; j < v; j++){
                if(i == 0 || j == 0) cout << 1;
                else cout << 0;
            }
            cout << endl;
        }
    }
}