#include <iostream>
#include <string>

using namespace std;

string reverseStr(string& line) {
    string reverseLine = "";
    for (int i = line.length() - 1; i >= 0; --i) {
        reverseLine += line[i];
    }
    return reverseLine;
}

string makeNewLine(string& oldLine) {
    string seqZero = "", line = reverseStr(oldLine);
    while (line.find('0') == 0) {
        seqZero += "0";
        line.erase(0, 1);
    }
    int posZero = line.find('0');
    if (posZero != -1) {
        int num = line[posZero - 1];
        line[posZero - 1] = line[posZero];
        line[posZero] = num;
    }
    seqZero += line;
    line = reverseStr(seqZero);
    return line;
}

void makeSeq(int n, int k) {
    string line = "";
    for (int i = 0; i < n - k; ++i) {
        line += "0";
    }
    for (int i = 0; i < k; ++i) {
        line += "1";
    }
    cout << line << endl;
    while (line.find('0') != k) {
        string newL = makeNewLine(line);
        line = newL;
        cout << line << endl;
    }
}

int main() {
    int n, k;
    cin >> n >> k;
    if (k == 0) {
        for (int i = 0; i < n; ++i) {
            cout << "0";
        }
    } else if (k == n) {
        for (int i = 0; i < n; ++i) {
            cout << "1";
        }
    } else {
        makeSeq(n, k);
    }
    return 0;
}