public int countProbablePlaces(int[] X, int[] Y, int[] R) {
		int[][] map = new int[CENTER * 2 + 1][CENTER * 2 + 1];
		for (int i = 0; i < X.length; i++) {
			check(map, X[i], Y[i], R[i]);
		}

		int count = 0;
		for (int i = 0; i < map.length; i++) {
			for (int j = 0; j < map[i].length; j++) {
				if (map[i][j] == R.length) {
					count++;
				}
			}
		}
		return count;
	}