#include<bits/stdc++.h>
using namespace std;

int n,m,u,v,g[5000][5000];
vector<int>gv[5000];
int main(){
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		cin>>u>>v;
		g[u][v]=1;
		g[v][u]=1;
		gv[u].push_back(v);
		gv[v].push_back(u);
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			cout<<g[i][j]<<" ";
		}
		cout<<endl;
	}
	for(int i=1;i<=n;i++){
		cout<<gv[i].size();
		sort(gv[i].begin(),gv[i].end());
		for(int j=0;j<gv[i].size();j++){
			cout<<" "<<gv[i][j];
		}
		cout<<endl;
	}
	return 0;
}