----------------------10----------------10--------------------------------------] --------8----------------10----------------10-----------------------------------] ------7-----12-11-9-----------12-11-9-----------12-11-12-9----------------------] 7-7-7---------------------------------------------------------------------------] --------------------------------------------------------------------------------] --------------------------------------------------------------------------------] ----------------------10----------------10--------------------------------------] --------8----------------10----------------10-----------------------------------] ------7-----12-11-9-----------12-11-9-----------12-11-12-9----------------------] 7-7-7---------------------------------------------------------------------------] --------------------------------------------------------------------------------] --------------------------------------------------------------------------------] ----------------------10----------------10--------------------------------------] --------8----------------10----------------10-----------------------------------] ------7-----12-11-9-----------12-11-9-----------12-11-12-9----------------------] 7-7-7---------------------------------------------------------------------------] --------------------------------------------------------------------------------] --------------------------------------------------------------------------------]