MAPQUALSPL/12/en

Position 13 - Break code

                 - 1: Page "heading" (first)
                 - 2: Page "next" (middle)
                 - 3: Page "total" (last)  
                                               

Positions 14 to 18 - Code of Kern-type sealing (Contains 0 or 1 depending on the norm)

                 - PK  Parity check (1 if the total of the following 4 is an even number, else it is 0)
                 - BS4, BS3, BS1: Decrement binary value from 7 (111) to 1 (001)
                 - DGR Sealing code (1 = sealing)