#include<bits/stdc++.h>
using namespace std;
signed main(){
    int v, d;
    cin >> v >> d;
    vector<vector<bool>> G(v, vector<bool>(v, false));
    if(d==1)G=vector<vector<bool>>(v,vector<bool>(v,true));
    else{
        for (int i = 1; i < v; i += 2){
            G[i][0] = G[0][i] = true;
            G[i + 1][0] = G[0][i + 1] = true;
            G[i][i + 1] = G[i + 1][i] = true;
        }
        if(v%2==0){
            G[v - 1][0] = G[0][v - 1] = true;
            G[v - 1][v - 2] = G[v - 2][v - 1] = true;
        }
    }
    for(auto g:G){
        for(auto i:g)
            cout << i;
        cout << endl;
    }
}