Tabs
|------------|-----------------------------
|--0-2-3-5-7-|-----0-2-3-5-7-9-11-12-------
|------------|-----------------------4-----
|------------|-----------------------------
|------------|-----------------------------
|------------|-----------------------------
|------------|----------------------------
|--0-2-3-5-7-|-----0-2-3-5-7-9-11-12-9----
|------------|----------------------------
|------------|----------------------------
|------------|----------------------------
|------------|----------------------------
|------------|----------------------------
|--0-2-3-5-7-|-----0-2-3-5-7-9-11-12-14---
|------------|----------------------------
|------------|----------------------------
|------------|----------------------------
|------------|----------------------------
just repeat over and over and so on.