|-------------------------------------------------|---------|
|-------12-12-------12-12-------12-12-------12-12-| |
|-12-12-------12-12-------12-12-------12-12-------| |
|-------------------------------------------------| |
|-------------------------------------------------| |
|-------------------------------------------------| |
| X 2 |
|-------------------------------------------------| |
|-----------12-12-15-15-----------12-12-15-15-----| |
|-9-9-12-12-------------9-9-12-12-----------------| |
|-------------------------------------------------| |
|-------------------------------------------------| |
|-------------------------------------------------|---------|