#include <bits/stdc++.h>
using namespace std;
#define int long long int
int n;
int query(vector<string>&out)
{
cout<<"?"<<endl;
for(auto ii:out)
cout<<ii<<endl;
// cout<<endl;
int x;
cin>>x;
return x;
}
bool same(int x,int y,int i,int j)
{
vector<string>out(n,string(n,'0'));
out[x][y]='1';
out[i][j]='1';
return (query(out)%n==0);
}
vector<string> build(char type)
{
vector<string> grid(n,string(n,type));
grid[0][0]=type;
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
if(i==0&&j==0)continue;
if(same(0,0,i,j))
grid[i][j]=type;
else
{
if(type=='H')
grid[i][j]='V';
else
grid[i][j]='H';
}
}
}
return grid;
}
vector<string> recons(const vector<string>&grid,vector<vector<int>>&dp) {
vector<string>out(n,string(n,'0'));
int i=0,j=0;
while (i<n&&j<n) {
bool ok=false;
if (dp[i][j]==dp[i+1][j]+1) {
for (int J=j;J<n;J++) {
if (grid[i][J]=='H') {
out[i][J]='1';
i++;
ok=true;
break;
}
}
}
if (!ok&&dp[i][j]==dp[i][j+1]+1){
for (int I=i;I<n;I++){
if (grid[I][j]=='V') {
out[I][j]='1';
j++;
ok=true;
break;
}
}
}
}
return out;
}
int32_t main() {
// int n;
cin>>n;
vector<vector<int>>grid(n,vector<int>(n));
//assume 0,0 as something
vector<char>assume={'H','V'};
for(char t:assume)
{
//build a grid based on how it responds do that
vector<string> grid=build(t);
//build a dp to check our ans and to output positions
vector<vector<int>>dp(n+1,vector<int>(n+1,1e18));
for(int i=n;i>=0;i--)
{
for(int j=n;j>=0;j--)
{
if(i==n||j==n)
{
dp[i][j]=0;
continue;
}
for(int J=j;J<n;J++)
{
if(grid[i][J]=='H')
{
dp[i][j]=min(dp[i][j],dp[i+1][j]+1);
}
}
for(int I=i;I<n;I++)
{
if(grid[I][j]=='V')
{
dp[i][j]=min(dp[i][j],dp[i][j+1]+1);
}
}
}
}
//rebuild
vector<string>out=recons(grid,dp);
//test
if(query(out)==n*n)
{
cout<<"!"<<endl;
for(auto i:out)
cout<<i<<endl;
cout<<endl;
return 0;
}
}
}
