static private $dataCWCount = array(
                        3, 5, 8, 12,  18,  22,  30,  36,  // Number of data codewords for the datamatrix
                        44, 62, 86, 114, 144, 174, 204, 280, 368, 456, 576, 696, 816, 1050, 
                        1304, 1558, 5, 10, 16, 22, 32, 49);