10        20        30        40        50  
1D1L  (   1 )    meqritLkdYAmrfgqtkTakdlgvyqsaInkaihagrkifLTinadgsV
                   bbbbaaaaaaaa aaaaaaaa    aaaaaaaa    bbbbb     b

                          60        70        80        90        100 
1D1L  (  51 )    yaeevkpwpsn meqritLkdYAmrfgqtkTakdlgvyqsaInkaihagr
                 bbbb          bbbbaaaaaaaa aaaaaaaa    aaaaaaaa   

                          110       120       130       140       150 
1D1L  (  39 )    kifLTinadgsVyaeevkpwpsn meqritLkdYAmrfgqtkTAkdlgvy
                  bbbbb     bbbbb          bbbbaaaaaaaa aaaaaaaa   

                          160       170       180       190       200 
1D1L  (  27 )    qsaInkaihagrkifLTinadgsVyaeevkpwpsn meqritLkdYAmrf
                  aaaaaaaa    bbbbb     bbbbb          bbbbaaaaaaaa

                          210       220       230       240     
1D1L  (  15 )    gqtkTAkdlgvyqsaInkaihagrkifLTinadgsVyaeevkpwpsn
                  aaaaaaaa    aaaaaaaa    bbbbb     bbbbb