administrator@Beckhoff:~/upl_keygen$ ./a.out -s 100142/66
Option keys for UPL with serial number 100142/066:
Option 0 key: 33024 (B4  - Remote Control)
Option 1 key: 63223 (B21 - DA Prot)
Option 2 key: 12850 (B22 - DA Jitt)
Option 3 key: 34500 (B10 - Sequence Control)
Option 4 key: 47487 (B6  - Coher)
Option 5 key: 34313 (B33 - ITU 033)
Option 6 key: 47333 (B8  - Phone Test)
Option 7 key: 34109 (B23 - Coded)
Option 8 key: 48781 (B9  - 3G Tests)
Option 9 key: 51693 (U81 - DAI tests REL99 with CMU)