eBGDAElet ringlet ring1=932020203044220200000let ringlet ring320202030420200000let ringlet ring520202020620202020let ring730303030830303030let ring9232323231023232323let ring11222222221222220202let ringlet ring13202020201420202020let ring15303030301630303030let ring17232323231823232323let ring1922222222202222020221777777772277777777237777777724777777772577777777267777777727777(7)7(7)777(7)7(7)28777(7)7(7)777(7)7(7)29666666663066666666317777777732777777773377777777347777777735777(7)7(7)777(7)7(7)36777(7)7(7)777(7)7(7)3766666666386666666639404142434445464748495051525354555657585960616263646566676869707172737475Change tuning (R)