using System;
using System.Collections.Generic;
 
public class Test
{
	public static void Main()
	{
	    List<List<int>> matriz = new List<List<int>>();
	    matriz.Add(new List<int> {3, 4, 1}  );
	    matriz.Add(new List<int> {2, 4, 5}  );
	    matriz.Add(new List<int> {44, 8, 9} );
 
	    int a = new int(),
	        b = new int(),
	        busca = 1;
	    a = matriz.FindIndex(x => x.Contains(busca));
	    matriz.ForEach(x => { if(x.Contains(busca)){ b = x.IndexOf(busca); } });
	    Console.WriteLine("Busca: {0}, Linha: {1}, Coluna: {2}", busca, a, b);
	}
}

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