eBGDADlet ring1=110330203442330203let ring333020343302035330203let ring633020373302038330203let ring93302031033020311330203let ring123302031333020314330203let ring1533020316330203173302let ring183302031933020320330203let ringlet ring2133022233020323330203let ring243302032526272829303132333435363738394041424344454647484950515253Change tuning (R)