and e |--------------------------------------15-17-13--------------| b |--------------------------15-------15-----------------------| g |-----------13-14----13-14----13-14--------------------------| d |-12-14-15--------15-----------------------------------------| a |------------------------------------------------------------| D |------------------------------------------------------------| e |--------------------------------------15-17-13-15-12--------| b |--------------------------15-------15-----------------------| g |-----------13-14----13-14----13-14--------------------------| d |-12-14-15--------15-----------------------------------------| a |------------------------------------------------------------| D |------------------------------------------------------------| e |-----------------13-15-17-18-17-13-12-----------------------| b |---------------------------------------15-13----------------| g |-----------13-14-----------------------------15-14----------| d |-12-14-15---------------------------------------------------| a |------------------------------------------------------------| D |------------------------------------------------------------| e |--------------------------------------15-17-12--------------| b |--------------------------15-------15-----------------------| g |-----------13-14----13-14----13-14--------------------------| d |-12-14-15--------15-----------------------------------------| a |------------------------------------------------------------| D |------------------------------------------------------------|