FIG. 1 E|-----------------------------------------------------------------------------------| B|-----11-13--13b15------------------11-14b15-11-------------11-14b16-14b15----------| G|-12-----------------------10-12------------------------12--------------------------| D|-----------------------------------------------------------------------------------| A|-----------------------------------------------------------------------------------| E|-----------------------------------------------------------------------------------| FIG. 2 E|-10-15-13----------------------------------------------------------------| B|------------14------13---11----11---10-10------10------------------------| G|-----------------------------------------------------------12-10-12------| D|--------------------13---11----------------------------------------------| A|-------------------------------------------------------------------------| E|-------------------------------------------------------------------------| FIG. 3 E|-------------10--------------------10------------------------10----------------| B|---------11-----11~---------11--------11~-----------11----------11~------------| G|-10-12--------------10-12------------------10-12-------------------------------| D|-------------------------------------------------------------------------------| A|-------------------------------------------------------------------------------| E|-------------------------------------------------------------------------------| FIG. 4 E|--------------------------------| B|-11-9---------------------------| G|--------10-8--------------------| D|---------------11-8-------------| A|----------------------11\-------| E|----------------------------/6--|