--9-12-11-9-12-9-11--9---------------9-12-11-9-12-9-11-9----------| -9---------------------10-12-9-----9---------------------9-8-7----| ------------------------------------------------------------------| ------------------------------------------------------------------| ------------------------------------------------------------------| ------------------------------------------------------------------| ------8-11-------8-9---------------------------8-9-----9-9-9-8-7--| -7-10-------7-10----------12-10-9-12-10-10-9-9--------------------| ------------------------9-----------------------------------------| ---------------------11-------------------------------------------| ------------------------------------------------------------------| ------------------------------------------------------------------| -11-11-9-------------------------8-9--| ---------10-9---9-12-9-7----7-10------| --------------------------------------| --------------------------------------| repeat this part 2 times --------------------------------------| --------------------------------------|