Introdução: E-------------------------------------------------------------------------------------------------------------------------------------| B-----8---------8-------------------------------8---------8---------------------------8----8---10-8------------8----------------------| G--------9-10-------------------------------------9-10---------------------------------9-------------9-10-10----10-9------------------| D-----------------10-7-9-10-9-7-9------------------------10-7-9-10-9-7-9---------------------------------------------2-4-5-4-2----4-5-| A-------------------------------------------------------------------------------------------------------------------------------------| E-------------------------------------------------------------------------------------------------------------------------------------| E------------------------------------------------------------------------------------------------------------------------------------| B----8----8--10-8-------------8------------------------------------------------------------------------------------------------------| G------9-------------9-10-10----10-9-------------------------------------------------------------------------------------------------| D-------------------------------------------2-4-5-4-2---4-5--------------------------------------------------------------------------| A------------------------------------------------------------------------------------------------------------------------------------| E------------------------------------------------------------------------------------------------------------------------------------| E--------------------------------------------------------------------------------------------------------------------------------| B--------------------------------------------------------------------------------------------------------------------------------| G--0------0-------------------------------------------0----0-2-0----------0------------------------------------------------------| D-----2-3------------------------------------------------2----------2-3-3---3-2-0------------------------------------------------| A------------3--0-2-3-2------------0-2-3------------------------------------------3-2-3--0-2-3-2---0-2-3-------------------------| E--------------------------------------------------------------------------------------------------------------------------------|