intro: e|-------10------------10------10-------------| B|-10-13----13---10-13----13-------13-12---12-| G|--------------------------------------------|X D|--------------------------------------------|2 A|--------------------------------------------| E|--------------------------------------------| -------------------------------------------------------------------| ---------------10----9----------------13----12-----10-10-----10-10-| -9-10-12-10-------------9-10-12-10---------------------------------| -------------------------------------------------------------------| -------------------------------------------------------------------| -------------------------------------------------------------------|