e-------------------------------------------------------------------- a-------------------------------------------------------------------- d-------------------------------------------------------------------- g-------------------------------------------------------------------- h------0----0------0----------------0----0------0-------------0--0--0 e----2---2-4--4--2---2---7-6-4----2---2-4--4--2---2---7-6-4---2--0--2 e----------------------------------------------------------------------- a----------------------------------------------------------------------- d----------------------------------------------------------------------- g----------------------------------------------------------------------- h----0--0--------------------------------------------------------------- e----4--0---------------------------------------------------------------