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.*;
 
import java.math.*;
import java.awt.Point;
 
public class Main {
    static final long MOD = 1000000007L;
    //static final long MOD2 = 1000000009L;
    //static final long MOD = 998244353L;
    //static final long INF = 500000000000L;
    static final int INF =   1000000005;
    static final int NINF = -1000000005;
    //static final long INF = 1000000000000000000L;
    static FastScanner sc;
    static PrintWriter pw;
    static final int[][] dirs = {{-1,0},{1,0},{0,-1},{0,1}};
 
    public static void main(String[] args) {
      sc = new FastScanner();
      pw = new PrintWriter(System.out);


      int N = sc.ni();
      pw.println("? 1");
      pw.flush();
      int[] dist = sc.intArray(N,0);
      ArrayList<Integer> odd = new ArrayList<>();
      ArrayList<Integer> even = new ArrayList<>();
      for (int i = 1; i < N; i++) {
        if (dist[i]%2==0)
          even.add(i);
        else
          odd.add(i);
      }
      ArrayList<int[]> edges = new ArrayList<int[]>();
      if (even.size() < odd.size()) {
        for (int i = 0; i < N; i++) {
          if (dist[i]==1) edges.add(new int[]{0,i});
        }
        for (int e: even) {
          pw.println("? "+(e+1));
          pw.flush();
          dist = sc.intArray(N,0);
          for (int i = 0; i < N; i++) {
            if (dist[i]==1) edges.add(new int[]{e,i});
          }
        }
      } else {
       	for (int o: odd) {
          pw.println("? "+(o+1));
          pw.flush();
          dist = sc.intArray(N,0);
          for (int i = 0; i < N; i++) {
            if (dist[i]==1) edges.add(new int[]{o,i});
          }
        }
      }
      
      pw.println("!");
      for (int[] e: edges) {
        pw.println((e[0]+1) + " " + (e[1]+1));
      }
      pw.flush();
      pw.close(); 
    }
 
    public static void sort(int[] arr) {
        Random rgen = new Random();
        for (int i = 0; i < arr.length; i++) {
            int r = rgen.nextInt(arr.length);
            int temp = arr[i];
            arr[i] = arr[r];
            arr[r] = temp;
        }
        Arrays.sort(arr);
    }
 
    public static void sort(long[] arr) {
        Random rgen = new Random();
        for (int i = 0; i < arr.length; i++) {
            int r = rgen.nextInt(arr.length);
            long temp = arr[i];
            arr[i] = arr[r];
            arr[r] = temp;
        }
        Arrays.sort(arr);
    }
 
    //Sort an array (immune to quicksort TLE)
    public static void sort(int[][] arr) {
        Random rgen = new Random();
        for (int i = 0; i < arr.length; i++) {
            int r = rgen.nextInt(arr.length);
            int[] temp = arr[i];
            arr[i] = arr[r];
            arr[r] = temp;
        }
        Arrays.sort(arr, new Comparator<int[]>() {
            @Override
            public int compare(int[] a, int[] b) {
                return a[0]-b[0];
            }
        });
    }
    
    public static void sort(long[][] arr) {
        Random rgen = new Random();
        for (int i = 0; i < arr.length; i++) {
            int r = rgen.nextInt(arr.length);
            long[] temp = arr[i];
            arr[i] = arr[r];
            arr[r] = temp;
        }
        Arrays.sort(arr, new Comparator<long[]>() {
            @Override
            public int compare(long[] a, long[] b) {
                if (a[0] > b[0])
                    return 1;
                else if (a[0] < b[0])
                    return -1;
                else
                    return 0;
                //Ascending order.
            }
        });
    }
 
    static class FastScanner {
        BufferedReader br;
        StringTokenizer st;
 
        public FastScanner() {
            br = new BufferedReader(new InputStreamReader(System.in), 32768);
            st = null;
        }
 
        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }
 
        int ni() {
            return Integer.parseInt(next());
        }
 
        int[][] graph(int N, int[][] edges) {
            int[][] graph = new int[N][];
            int[] sz = new int[N];
            for (int[] e: edges) {
                sz[e[0]] += 1;
                sz[e[1]] += 1;
            }
            for (int i = 0; i < N; i++) {
                graph[i] = new int[sz[i]];
            }
            int[] cur = new int[N];
            for (int[] e: edges) {
                graph[e[0]][cur[e[0]]] = e[1];
                graph[e[1]][cur[e[1]]] = e[0];
                cur[e[0]] += 1;
                cur[e[1]] += 1;
            }
            return graph;
        }
 
        int[] intArray(int N, int mod) {
            int[] ret = new int[N];
            for (int i = 0; i < N; i++)
                ret[i] = ni()+mod;
            return ret;
        }
 
        char[] charArray(int N) {
            char[] ret = new char[N];
            for (int i = 0; i < N; i++)
                ret[i] = next().charAt(0);
            return ret;
        }
 
        long nl() {
            return Long.parseLong(next());
        }
 
        long[] longArray(int N, long mod) {
            long[] ret = new long[N];
            for (int i = 0; i < N; i++)
                ret[i] = nl()+mod;
            return ret;
        }
 
        double nd() {
            return Double.parseDouble(next());
        }
 
        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }
}