#include<iostream>
using namespace std;
int main()
{
    int n,w[512][512],i,j,ans1=0,ans2=0,ans3=0;
    cin>>n;
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    cin>>w[i][j];
    for(i=2;i<n;i++)
    for(j=2;j<n;j++)
    {
        if(w[i][j]==w[i][j+1]&&(j+1)!=n&&(i+1)!=n)
        {
            if(w[i+1][j]==w[i+1][j+1])
            {
                ans1=2;
                ans2=i;
                ans3=j;
            }
        }
        if(w[i][j]==w[i+1][j]&&(j+1)!=n&&(i+1)!=n)
        {
            if(w[i][j+1]==w[i+1][j+1])
            {
                ans1=2;
                ans2=i;
                ans3=j;
            }
        }
    }
    cout<<ans1<<" "<<ans2<<" "<<ans3<<endl;
    return 0;
}
