#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <climits>
#include <cmath>
#include <complex>
#include <functional>
#include <cassert>
#include <stack>
#include <numeric>
#include <iomanip>
#include <limits>

typedef int64_t ll;
typedef std::pair<int, int> Pii;
typedef std::pair<ll, ll> Pll;
typedef std::pair<double, double> Pdd;

#define rip(i, _n, _s) for (int i = (_s);i < (int)(_n); i++)
#define all(_l) _l.begin(), _l.end()
#define rall(_l) _l.rbegin(), _l.rend()
#define MM << " " <<

template<typename _T>
using MaxHeap = std::priority_queue<_T>;
template<typename _T>
using MinHeap = std::priority_queue<_T, std::vector<_T>, std::greater<_T>>;

template<typename _T>
inline bool chmax(_T &_l, const _T _b) {
    if (_l < _b) {
        _l = _b;
        return true;
    }
    return false;
}
template<typename _T>
inline bool chmin(_T &_l, const _T _b) {
    if (_l > _b) {
        _l = _b;
        return true;
    }
    return false;
}

# ifdef LOCAL_DEBUG
template<typename _T>
void vdeb(const std::vector<_T> &bb) {
    for (unsigned int i = 0;i < bb.size();i++) {
        if (i == bb.size() - 1) std::cout << bb[i];
        else std::cout << bb[i] << ' ';
    }
    std::cout << '\n';
}
template<typename _T>
void vdeb(const std::vector<std::vector<_T>> &bb) {
    for (unsigned int i = 0;i < bb.size();i++) {
        std::cout << i << ' ';
        vdeb(bb[i]);
    }
    std::cout << '\n';
}
# endif

using namespace std;

int main() {
    int v, d; cin >> v >> d;
    if(d == 1) {
        rip(i,v,0) {
            rip(j,v,0) cout << 1;
            cout << '\n';
        }
    }
    else {
        rip(i,v,0) cout << 1;
        cout << '\n';
        rip(i,v,1) {
            cout << 1;
            rip(j,v,1) {
                cout << 0;
            }
            cout << '\n';
        }
    }
}