e-------12-14-15-14-12-----------------------------------------------------e b-12-15----------------15-12----------12-15-15-----------------------------b g----------------------------12-14-12--------------------------------------g d--------------------------------------------------------------------------d a--------------------------------------------------------------------------a e--------------------------------------------------------------------------e e-------12-14-15-14-12----------------------12-----------------------------e b-12-15----------------15-12----------12-15--------------------------------b g----------------------------12-14-12--------------------------------------g d--------------------------------------------------------------------------d a--------------------------------------------------------------------------a e--------------------------------------------------------------------------e