Had mx of order 16 from Hedayat - Wallis p 1222 0000000000000000 0001011100010111 0100101101001011 0110010101100101 0111001001110010 0011100100111001 0101110001011100 0010111000101110 0000000011111111 0011001111001100 0101010110101010 0110011010011001 0000111111110000 0011110011000011 0101101010100101 0110100110010110