public static void insertion( Individual[] individuals ) 
	{
		for(int i = 1; i < individuals.length; i++) 
		{
			int j = i;
			
			while( j>0 && individuals[j].getFitness()<individuals[j - 1].getFitness() ) 
			{
				swap( individuals, j, j - 1 );
				j--;
			}
		}
	}