public boolean isBlockTile(Block block) {
		Set<Integer> tilesKeys = tilesLocations.keySet();
		SerializableLocation blockLocation = new SerializableLocation(block.getLocation());
		for(Integer key : tilesKeys) {
			for(int i = 0; i < tilesLocations.get(key).size(); ++i) {
				SerializableLocation keyBlockLocation = tilesLocations.get(key).get(i);
				if(blockLocation.equals(keyBlockLocation))
					return true;
			}
		} return false;
	}