content: package v006;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.PrintWriter;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.StringTokenizer;
  
  public class Ecosystem_UVa626 {
  
  	public static void main(String[] args) throws IOException 
  	{
  		Scanner sc = new Scanner(System.in);
  		PrintWriter out = new PrintWriter(System.out);
  		StringBuilder sb = new StringBuilder();		
  
  		while(sc.ready())
  		{
  			int n = sc.nextInt(), adjMat[][] = new int[n][n];
  			for(int i = 0; i < n; ++i)
  				for(int j = 0; j < n; ++j)
  					adjMat[i][j] = sc.nextInt();
  
  			ArrayList<Triple> triples = new ArrayList<Triple>();
  			for(int i = 0; i < n; ++i)
  				for(int j = i + 1; j < n; ++j)
  					for(int k = i + 1; k < n; ++k)
  						if(j != k)
  							if(adjMat[i][j] + adjMat[j][k] + adjMat[k][i] == 3)
  								if(j < k)
  									triples.add(new Triple(i + 1, j + 1, k + 1));
  								else
  									triples.add(new Triple(j + 1, k + 1, i + 1));
  
  			Collections.sort(triples);
  			for(Triple t: triples)
  				sb.append(t.x + " " + t.y + " " + t.z + "\n");
  			sb.append("total:"+triples.size()+"\n\n");
  		}
  		out.print(sb);
  		out.flush();
  		out.close();
  	}
  
  	static class Triple implements Comparable<Triple>
  	{
  		int x, y, z;
  
  		Triple(int a, int b, int c) { x = a; y = b; z = c; }
  
  		public int compareTo(Triple t)
  		{
  			if(x != t.x)
  				return x - t.x;
  			if(y != t.y)
  				return y - t.y;
  			return z - t.z;
  		}
  	}
  
  
  	static class Scanner 
  	{
  		StringTokenizer st;
  		BufferedReader br;
  
  		public Scanner(InputStream s){	br = new BufferedReader(new InputStreamReader(s));}
  
  		public String next() throws IOException 
  		{
  			while (st == null || !st.hasMoreTokens()) 
  				st = new StringTokenizer(br.readLine());
  			return st.nextToken();
  		}
  
  		public int nextInt() throws IOException {return Integer.parseInt(next());}
  
  		public long nextLong() throws IOException {return Long.parseLong(next());}
  
  		public String nextLine() throws IOException {return br.readLine();}
  
  		public double nextDouble() throws IOException
  		{
  			String x = next();
  			StringBuilder sb = new StringBuilder("0");
  			double res = 0, f = 1;
  			boolean dec = false, neg = false;
  			int start = 0;
  			if(x.charAt(0) == '-')
  			{
  				neg = true;
  				start++;
  			}
  			for(int i = start; i < x.length(); i++)
  				if(x.charAt(i) == '.')
  				{
  					res = Long.parseLong(sb.toString());
  					sb = new StringBuilder("0");
  					dec = true;
  				}
  				else
  				{
  					sb.append(x.charAt(i));
  					if(dec)
  						f *= 10;
  				}
  			res += Long.parseLong(sb.toString()) / f;
  			return res * (neg?-1:1);
  		}
  
  
  		public boolean ready() throws IOException {return br.ready();}
  
  	}
  }