|-------7----7-8-----------------------|
|--8-10---10---------------------------|
|----------------0--0000-00-00-00000---|
|--------------------------------------|
|--------------------------------------|
|--------------------------------------|
--------12------15-13-12--------13----------|
-13---13-----13---------15-13-15---11-10-11-|
----12-----12-------------------------------|
--------------------------------------------|
--------------------------------------------|
--------------------------------------------|
--------12------15-13-12--------13----------|
-13---13-----13---------15-13-15---11-10-11-|
----12-----12-------------------------------|
--------------------------------------------|
--------------------------------------------|
--------------------------------------------|
------------------------------15-13-12-13-12---|
-13-15-17-15-17-13-12-13-15-----------------13-|
---------------------------12------------------|
-----------------------------------------------|
-----------------------------------------------|
-----------------------------------------------|
-------------|
--10--12-----|
-------------| and repeat....
-------------|
-------------|
-------------|