10        20        30        40        50  
2DBB  (   6 )    kldrvDmqLVkiLSenSrltyreLAdiLnttrqrIarrIdkLkklgIIrk
                    aaaaaaaaaaaa     aaaaaaa    aaaaaaaaaaaaa   bbb

                          60        70        80        90        100 
2DBB  (  56 )    fTIIPdIdkLGymYAIVLIkSkvpsdAdkvIseIsdIeyVKSVEkGvgrY
                 bbbbb  333 bbbbbbbbbb  aaaaaaaaaaa     bbbbbbbb   

                          110       120       130       140       150 
2DBB  ( 106 )    nIIVRLlLpkdikdAenliseFlqrIknaenvevIlIsevrkFeII mrk
                  bbbbbbbb  aaaaaaaaaaaaa    bbbbbbbbbbbbbbb       

                          160       170       180       190       200 
2DBB  (   7 )    ldrvdmqLVkiLsenSrltyreLAdilnttrqrIarrIdkLkklgIIrkf
                   aaaaaaaaaa       aaaaaaa    aaaaaaaaaaaaa   bbbb

                          210       220       230       240       250 
2DBB  (  57 )    TIIPdidkLgymYAIVLIkSkvpsdAdkvIseIsdieyVKSVEkGvgrYn
                 bbbb      bbbbbbbbbb  aaaaaaaaaaa     bbbbbbbb    

                          260       270       280       290   
2DBB  ( 107 )    IIVRLLLpkdikdAenliseFlqrIknaenvevIlIsevrkfeII
                 bbbbbbbb  aaaaaaaaaaaaa    bbbbbbbbbbbbbbb