#include <bits/stdc++.h>
using namespace std;
int main() {
// star graph
int n, m;
cin >> n >> m;
for (int i = 0; i < m; i++) {
int u, v;
cin >> u >> v;
}
cout << 3 << '\n';
for (int i = 0; i < n; i++) cout << 0 << ' ';
cout << '\n';
cout << 1 << ' ' << 1 << ' ';
for (int i = 2; i < n; i++) cout << 0 << ' ';
cout << '\n';
for (int i = 0; i < n; i++) cout << 0 << ' ';
cout << '\n';
return 0;
}
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