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

n = int(input())
p = [-1] * n
cnt = 0
print("? 1")
d0 = list(map(int, input().split()))
a = sorted([(d0[i], i) for i in range(n)], reverse=True)
for i in range(n - 1):
    v = a[i][1]
    if p[v] == -1:
        print("?", v + 1)
        d = list(map(int, input().split()))
        b = sorted([(d[i], i) for i in range(n)])
        last = b[1][1]
        p[v] = last
        cnt += 1
        j = 2
        while j < n and b[j][0] == 2:
            u = b[j][1]
            if d0[u] == d0[v] - 2 and p[last] == -1:
                p[last] = u
                cnt += 1
                last = u
            elif p[u] == -1:
                p[u] = p[v]
                cnt += 1
            j += 1
        while j < n and b[j][0] == 3:
            u = b[j][1]
            if d0[u] == d0[v] - 3 and p[last] == -1:
                p[last] = u
                cnt += 1
                last = u
            elif p[u] == -1:
                p[u] = p[p[v]]
                cnt += 1
            j += 1
        while j < n:
            u = b[j][1]
            if d0[u] == d0[v] - b[j][0]:
                p[last] = u
                cnt += 1
                last = u   
            j += 1
    if cnt == n - 1:
        print("!")
        for i in range(n):
            if p[i] != -1:
                print(i + 1, p[i] + 1)
        break