#include<cstdio>
#include<cstring>
using namespace std;
int n,pic[251][251],sum[251][251],ans[251],i,j,k,l;
int Main()
{
	freopen("range.in","r",stdin);freopen("range.out","w",stdout);
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		char s[251];
		scanf("%s",s+1);
		for(j=1;j<=n;j++)
		{
			pic[i][j]=s[j]-'0';
			sum[i][j]=sum[i-1][j]+sum[i][j-1]-sum[i-1][j-1]+pic[i][j];
		}
	}
	for(i=1;i<n;i++)for(j=1;j<n;j++)
	for(k=i+1,l=j+1;k<=n&&l<=n;k++,l++)
	{
		int res=sum[k][l]-sum[i-1][l]-sum[k][j-1]+sum[i-1][j-1];
		if(res==(k-i+1)*(l-j+1))ans[k-i+1]++;
	}
	for(i=1;i<=250;i++)if(ans[i])printf("%d %d\n",i,ans[i]);
	return 0;
}
int main(){;}
int syy=Main();