|-------------------------------------------------|---------|
|-------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-----|         |
|-(b9)(b9)12-12-------------(b9)(b9)12-12-----------------|         |
|-------------------------------------------------|         |
|-------------------------------------------------|         |
|-------------------------------------------------|---------|