public void remove(char [][] b)
	{
		//variable to track how many removals
		//and how many have been removed from
		//each row
		int count = 0;
		int total [] = new int [5];
		
		//loop that waits for 10 removals
		while(count != 10)
		{
			//get random values
			int r = randomGen();
			int c = randomGen();
			
			//makes sure only 3 items are removed from each row to avoid empty rows
			if(total[r] < 3)
			{
				//if the space is not already blank remove the item
				if(b[r][c] != '-')
				{
					b[r][c] = '-';
					count++;
					total[r]++;
				}
			}
		}
	}