introduccion:
|---------------------------------------------------------------|
|---------------------------------------------------10-12-10/12^|
|---------------2/4^^-----------------9----11-------------------|
|-----------2-4-----------------9--12---12----------------------|
|-2~-2-4-5------------------------------------------------------|
|---------------------------------------------------------------|
|----10-12fb12-10-12-10---------10b-----------------------------|
|12------------------------12----------12-10/12---12-10---------|
|--------------------------------------------------------11--9b-|
|--------------------------------------------------------------|
|--------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|----------------12---------------------------------------------|
|---9----/11-14-----14-9h10p9-----9-----10p9--------------------|
|12----12----------------------12----12------12-9-12p11---------|
|---------------------------------------------------------12/14-|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|-------9------/11---11-9-----9-------9-----11-11--9-----9------|
|9-12----12---------------12----12------12-----------12----12-9-|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|----------10--------------------9------------------------------|
|--------------------------------10-------------------10-10-----|
|-9----9fb--------9----9-----9fb--------9----------9fb11-11-----|
|---12--------12----12---12---------12-----9-9-12---------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|-----9------9------10b--9------9-------------------------------|
|-12-----12-----12----------12-----11--12--9--11------9---------|
|-------------------------------------------------12------------|
|---------------------------------------------------------------|