e -----12-15-14-14------------17-15-14-12----
b 12-12-------------12---12-12---------------
g -------------------------------------------
d -------------------------------------------
a -------------------------------------------
e -------------------------------------------
e -12-14-15--17-17-19-20-19-----15--14--------------12-12-12-
b -----------13-13-15-17-17--12-12--12--12-12-14-15-12-12-12-
g -----------------------------------------------------------
d -----------------------------------------------------------
a -----------------------------------------------------------
e -----------------------------------------------------------