private byte[] getDiagramBuffs(){
		byte []diagramBuff = new byte[Optiums.DIAGRAM_BUFF];
		if(lengthBuff != 0 && buff != null){
			int needCoffe = Optiums.DIAGRAM_BUFF / lengthBuff;
			needCoffe = Optiums.BUFF_SIZE / needCoffe;
			for(int i = 0 , l = 0; i < lengthBuff; ++i)
				for(int j = 0; j < Optiums.BUFF_SIZE - needCoffe; j += needCoffe, l++)
					diagramBuff[l] = buff[i][j];
			lengthBuff = 0;
			return diagramBuff;
		}
		lengthBuff = 0;
		return null;
	}