Input sample:

DRPIFAWVIAIIIMLAGGLAILKL
NRPVLSTVISILIVILGAIGLATL
KRPIFASVCAIVILLIGLISIPTL
KRPNFAWVVALFISLAGLLVISKL
HRPNFAWVVALFISLAGLLVIPSL
RRPNFAWVVALFISMAGLLAMPFL
RRPIFAGVCAVIILLAGLVSIPSL
DRPVFAWVVALFILLAGALAIPQL
DRPIFAWVVAIFIMLAGLLAIPML
DRPIFAWVVAIFIMIAGIIAIPLL
KRPILAWVFAIFISIAGIIALPLL
KRPNFAWVLALFILLAGLMALPAL
ARPVFAWVVAIFIMIAGALAIPFL
DRPIFAWVIALFICLIGAISIPFL
RRPVFAWVIAIFIIIFGLLSIPKL
DRPIFAWVVALFICLIGAISVPLL
DRPIFAWVISIFIIAAGIFGIKSL
DRPVFAWVISLLIVLAGVLAIRFL
DRPIFAWVISIFIIAAGIFGIKSL
DRPVFAWVISLLIILAGLLSIRGL
DRPVFAWVISLFIMLGGIFAIRAL
RRPVFAWVIAILIMLAGALAIRTL
RRPVFAWVIAILIMLAGILAIRTL
YRPVFAWVIAIVIMLGGVVALETL
DRPVFAWVLAIVIMLAGLFALRAL
HRPIFAWVLAIVIMAAGLFAVSTM
ARPIFAWVLSICIMALGTISILTL
DRPIFAWVIAIVITLAGALSILSL
RRPIFAWVLAIILMMAGALAILQL
DRPIFAWVIAIITMLAGLLAIMKL
DRPIFAWVLAILLCLTGTLAIFSL
DRPIFAWVLAIILCLTGALAISTL
DRPIFAWVIALVIMLAGGLSILSL
DRPIFAWVLAIIAMLAGALSLTKM
DRPIFAWVIAIILMLAGIASVFTL
DRPIFAWVIALIIMLAGVLSIRTL
DRPIFAWVIAIVIMLAGALAIRTL
RRPVFAWVIAIVIMLGGVLAIWTL
EHPVFAWVVAILISLAGVISILNL
DRPVFAAVISIVLVLAGLICIRIL
RRPIFASVISIVIMLAGLAAIKAL