e|-------------------13----16----19----21------------21--|-------21-19--
B|-------------------------------------------------------|--------------
G|-6-----------------------------------------------------|--------------
D|-7-----------------------------------------------------|--------------
A|-8-----------------------------------------------------|--------------
E|-------------------------------------------------------|--------------
1 2
---------21-------21-------------------------21-------------------------
21-18-21-------------------------------18-21----21-18-------------------
------------------------------------18----------------------------------
------------------------------18-21-------------------------------------
---------------------------20-------------------------------------------
------------------------------------------------------13----------------
-----------------------------9----7----|--------------------------------
-----------------0--------9------------|-9----6----------0--------------
-----------------------10--------------|-----------6--------------------
--------------------11-----------------|-----------------------6--------
---------------------------------------|--------------------------------
16-------------------------------------|--------------------------------
3
------------------------|----------------------------------------------|
------------------------|----------------------------------------------|
------------------------|-6--------------------------------------------|
3-----------------------|-7--------------------------------------------|
------4-----------------|-8--------------------------------------------|
------------4-----1-----|----------------------------------------------|
4 5
not complete