import java.util.*;
import java.io.*;
import java.io.BufferedReader;
import java.awt.Point;

public class milkorder{
	public static final String TASKNAME = "milkorder";
	public static long mod= 1000000007;
	public static Debug db;

	public static void main(String[] args) throws IOException {
//		InputReader in = new InputReader(System.in);
//		PrintWriter out = new PrintWriter(System.out);
//		InputReader in = new InputReader(new FileInputStream(TASKNAME+".in"));
		InputReader in = new InputReader(new FileInputStream("6.in.txt"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(TASKNAME+".out")));
		Autocompletion solver = new Autocompletion();
		db=new Debug(System.getSecurityManager()==null);
		solver.solve(1, in, out);
		out.close();
	}
	static class Autocompletion {
		static ArrayList<Integer>[] ord;
		static int n;
		public void solve(int testNumber, InputReader in, PrintWriter out) {
			n=in.nextInt();
			int m=in.nextInt();
			ord=new ArrayList[m];
			ArrayList<Integer>[] adj=new ArrayList[n];
			for(int i=0;i<m;i++)ord[i]=new ArrayList<Integer>();
			for(int i=0;i<n;i++)adj[i]=new ArrayList<Integer>();
			for(int i=0;i<m;i++) {
				int x=in.nextInt();
				for(int j=0;j<x;j++) {
					ord[i].add(in.nextInt()-1);
				}
			}
			int l=0;
			int r=m;
			while(l!=r) {//bsearch for max
				int mid=l+(r-l+1)/2;
				if(works(mid)) {
					l=mid;
				}
				else {
					r=mid-1;
				}
			}
			for(int i=0;i<l;i++) {
				for(int j=1;j<ord[i].size();j++) {
					adj[ord[i].get(j-1)].add(ord[i].get(j));
				}
			}
			int count[]=new int[n];
			for(int i=0;i<l;i++) {
				for(int j=1;j<ord[i].size();j++) {
					count[ord[i].get(j)]++;
				}
			}
			PriorityQueue<Integer> dq=new PriorityQueue<Integer>();
			for(int i=0;i<n;i++) {
				if(count[i]==0) {
					dq.add(i);
				}
			}
			StringBuilder sb=new StringBuilder();
			while(!dq.isEmpty()) {
				int x=dq.remove();
				sb.append((x+1)+" ");
				for(int y:adj[x]) {
					count[y]--;
					if(count[y]==0) {
						dq.add(y);
					}
				}
			}
			out.println(sb.toString().trim());
		}
		private boolean works(int mid) {
			ArrayList<Integer>[] adj=new ArrayList[n];
			for(int i=0;i<n;i++)adj[i]=new ArrayList<Integer>();
			for(int i=0;i<mid;i++) {
				for(int j=1;j<ord[i].size();j++) {
					adj[ord[i].get(j-1)].add(ord[i].get(j));
				}
			}
			TreeSet<Integer> vis=new TreeSet<Integer>();
			TreeSet<Integer> left=new TreeSet<Integer>();
			for(int i=0;i<n;i++)left.add(i);
			ArrayDeque<Integer> dq=new ArrayDeque<Integer>();
			while(left.size()>0) {
				int first=left.pollFirst();
				dq.add(first);
				TreeSet<Integer> visnow=new TreeSet<Integer>();
				while(!dq.isEmpty()) {
					int x=dq.remove();
					visnow.add(x);
					left.remove(x);
					vis.add(x);
					for(int y:adj[x]) {
						if(visnow.contains(y)) {
							return false;
						}
						if(!vis.contains(y)) {
							dq.add(y);
						}
					}
				}
			}
			return true;
		}
	}

	static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }
        public long nextLong() {
        	return Long.parseLong(next());
        }
        public int[] nextIntArr(int n) {
        	int arr[]=new int[n];
        	for(int i=0;i<n;i++) {
        		arr[i]=this.nextInt();
        	}
        	return arr;
        }
    }
	public static class Debug {
        private boolean allowDebug;

        public Debug(boolean allowDebug) {
            this.allowDebug = allowDebug;
        }

        private void outputName(String name) {
            System.out.print(name + " = ");
        }

        public void debug(String name, int x) {
            if (!allowDebug) {
                return;
            }

            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, long x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, double x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, int[] x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.toString(x));
        }

        public void debug(String name, long[] x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.toString(x));
        }

        public void debug(String name, double[] x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.toString(x));
        }

        public void debug(String name, Object x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, Object... x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.deepToString(x));
        }
    }
}