e|------------------------------------------
b|------------------------------------------
g|------------------------------------------
d|-9--9?-12--12?-5--5--6--8--8--7--7--------
a|-9--9?-12-?12--5--5--6--8--8--7--7--------
D|-7--7?-10--10--0--3--0--6--0--5--0--------

e|------------------------------------------
b|------------------------------------------
g|-------------------5-5-5-5-0-------------
d|-2-2-2-2--7-7-7-7--5-5-5-5-0---5-5-5-5--
a|-2-2-2-2--7-7-7-7--3-3-3-3-0---5-5-5-5---
D|-0-0-0-0--5-5-5-5----------0---3-3-3-3---