e----0-0-0----0-0-0-----0-3---0-----1-1-1-1-1--0-0-0-----0-- b--------------------------1-3------------------------3-3-3-- g------------------------------------------------------------ d----------------------------------------------------------- a------------------------------------------------------------ E------------------------------------------------------------ e----0-0-0----0-0-0-----0-3---0-----1-1-1-1-1--0-0-0--3-3-1-- b--------------------------1-3------------------------------1-3-----3 g-------------------------------------------------------------------- d------------------------------------------------------------------- a------------------------------------------------------------------- E-------------------------------------------------------------------