5
5 3
2 4
3 1
4 5
 4
2 4
3 2
2 1
 5
5 3
2 4
3 1
4 5
 2
1 2
 4
3 4
2 3
3 1
 10
8 10
2 9
7 8
4 1
7 3
4 7
2 5
2 4
4 6
 5
3 4
3 2
3 1
1 5
 3
1 2
2 3
 5
1 2
1 3
1 4
1 5

1 2
2 3
2 4
 1 3
2 4
3 5
4 5
 1 2
 1 3
2 3
3 4
 1 4
2 4
2 5
2 9
3 7
4 6
4 7
7 8
8 10
 1 3
1 5
2 3
3 4
 1 2
2 3
 1 2
1 3
1 4
1 5

import java.io.*;
import java.util.ArrayList;

public class DLATOKEN1 {
    public static void main(String[] args) throws IOException {
        init_io();
        int N = nint();
        boolean[] seen = new boolean[N+1];
        ArrayList<Edge> edges = new ArrayList<>();
        boolean[][] alreadyadj = new boolean[N+1][N+1];
        for (int i = 1; i <= N; i++) {
            if (seen[i]) continue;
            seen[i] = true;
            System.out.printf("? %d\n", i);
            System.out.flush();
            int[] arr = new int[N+1];
            ArrayList<Integer> adj = new ArrayList<>();
            for (int j = 1; j <= N; j++) {
                arr[j] = nint();
                if (arr[j] == 1) {
                    alreadyadj[i][j] = alreadyadj[j][i] = true;
                    adj.add(j);
                    edges.add(new Edge(i, j));
                    seen[j] = true;
                }
            }
            if (adj.size() == 1) {
                int par = adj.get(0);
                for (int j = 1; j <= N; j++) {
                    if (arr[j] == 2) {
                        if (!alreadyadj[par][j]) {
                            alreadyadj[par][j] = alreadyadj[j][par] = true;
                            edges.add(new Edge(par, j));
                            seen[j] = true;
                        }
                    }
                }
            }
        }
        System.out.println("!");
        for (Edge e : edges) {
            System.out.printf("%d %d\n", e.a, e.b);
        }
    }
    static class Edge {
        int a, b;
        public Edge(int a1, int b1) {
            a = a1; b = b1;
        }
    }
    static StreamTokenizer in;
    static PrintWriter out;
    static BufferedReader br;

    static int nint() throws IOException {
        in.nextToken();
        return (int) in.nval;
    }

    static void init_io() throws IOException {
        br = new BufferedReader(new InputStreamReader(System.in));
        in = new StreamTokenizer(br);
    }
}