import java.util.*;
import java.io.*;
import java.lang.*;
import java.math.*;
public class B {
    public static void main(String[] args) throws Exception {
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        StringTokenizer st;
        int n = Integer.parseInt(bf.readLine());
        if(n < 3) {
            out.println("1");
            out.flush();
            out.println("1");
            out.flush();
            st = new StringTokenizer(bf.readLine());
            int xx = Integer.parseInt(st.nextToken());
            int v1 = Integer.parseInt(st.nextToken());

            out.println("1");
            out.flush();
            out.println("2");
            out.flush();
            st = new StringTokenizer(bf.readLine());
            int v2 = Integer.parseInt(st.nextToken());
            int yy = Integer.parseInt(st.nextToken());
            out.println("-1");
            out.flush();
            out.println(v2 + " " + v1);
            out.flush();
        }
        else {
            int[][] subsets = new int[20][n];
            int counter = 0;
            int[][] inputs = new int[20][3];
            for(int i=0; (i<20) && (counter < n); i++) {
                for(int j=0; (j < i) && (counter < n); j++) {
                    for(int k=0; (k < j) && (counter < n); k++) {
                        if(counter < n) {
                            inputs[counter][0] = i;
                            inputs[counter][1] = j;
                            inputs[counter][2] = k;
                            subsets[i][counter] = 1;
                            subsets[j][counter] = 1;
                            subsets[k][counter] = 1;
                            counter++;

                        }
                        else break;
                    }
                }
            }
            ///for(int i=0; i<20; i++)
                //System.out.println(Arrays.toString(subsets[i]));
            int[][] results = new int[20][n];
            for(int i=0; i<20; i++) {
                StringBuilder query = new StringBuilder();
                int count = 0;
                for(int j=0; j<n; j++) {
                    if(subsets[i][j] == 0) {
                        count++;
                        query.append((j+1));
                        query.append(' ');
                    }
                }
                if(count == 0) {
                    for(int j=0; j<n; j++)
                        results[i][j] = Integer.MAX_VALUE;
                }
                else {
                out.println(count);
                out.println(query.toString());
                out.flush();
                st = new StringTokenizer(bf.readLine());
                for(int j=0; j<n; j++)
                    results[i][j] = Integer.parseInt(st.nextToken());
                }
            }
            out.println("-1");
            out.flush();
            StringBuilder sb = new StringBuilder();
            for(int i=0; i<n; i++) {
                int val1 = results[inputs[i][0]][i];
                int val2 = results[inputs[i][1]][i];
                int val3 = results[inputs[i][2]][i];
                int min = Integer.MAX_VALUE;
                if(val1 < min) min = val1;
                if(val2 < min) min = val2;
                if(val3 < min) min = val3;

                sb.append(min);
                sb.append(' ');

            }
            out.println(sb.toString());
            out.flush();
        }
        // Scanner scan = new Scanner(System.in);
        // PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        // int n = Integer.parseInt(bf.readLine());
        //StringTokenizer st = new StringTokenizer(bf.readLine());
        // for(int i=0; i<n; i++) a[i] = Integer.parseInt(st.nextToken());

        // int n = scan.nextInt();

        out.close(); System.exit(0);
    }


}