191272 ⎘
Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled; Indexing scheme relating to groups - Using biquinary code, i.e. combination of 5-valued and 2-valued digits, having values 0, 1, 2, 3, 4 and 0, 5 or 0, 2, 4, 6, 8 and 0, 1 respectively