e---------------------------------------------------I
b---------------------------------------------------I
g---------7----7--5--4--5--4------------------------I X16
D---------------------------------------------------I
A---------------------------------------------------I
E---------------------------------------------------I
e---------------------------------------------------I
b---------------------------------------------------I
g--5-5--9-9--10-10--11-11-11--12-12-12-12-----------I
D---------------------------------------------------I X2
A--3-3--7-7--8--8---9--9--9---10-10-10-10-----------I
E---------------------------------------------------I
Trepal