#include <bits/stdc++.h>
using namespace std;
int n;
int askRow(int row, int l, int r){
cout << "?" << endl;
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++){
if(i == row && j >= l && j <= r) cout << 1;
else cout << 0;
}
cout << endl;
}
cout.flush();
int x;
cin >> x;
return x;
}
bool hasH(int row, int l, int r){
int k = r - l + 1;
int val = askRow(row, l, r);
return val != k * n;
}
int findH(int row){
int l = 0, r = n - 1;
int pos = -1;
while(l <= r){
int mid = (l + r) / 2;
if(hasH(row, 0, mid)){
pos = mid;
r = mid - 1;
}
else{
l = mid + 1;
}
}
return pos;
}
int main(){
cin.tie(0)->sync_with_stdio(0);
cin >> n;
vector<vector<int>> ans(n, vector<int>(n, 0));
vector<pair<int,int>> chosen;
for(int i = 0; i < n; i++){
if(!hasH(i, 0, n-1)){
for(int j = 0; j < n; j++){
ans[i][j] = 1;
}
cout << "!" << endl;
for(int x = 0; x < n; x++){
for(int y = 0; y < n; y++){
cout << ans[x][y];
}
cout << endl;
}
cout.flush();
return 0;
}
int pos = findH(i);
chosen.push_back({i, pos});
}
for(auto [x, y] : chosen){
ans[x][y] = 1;
}
cout << "!" << endl;
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++){
cout << ans[i][j];
}
cout << endl;
}
cout.flush();
return 0;
}
