---------------------------------------------------------------------------
---------------------------------------------------------------------------
---------------------------------------------------------------------------
-------------------------------------------------------5-----5-------------
-10--10-10---9--9-9---7--7-7-7-7-7---3--3-3---5--5-5---3--5--3-------------
-8---8--8----7--7-7---5--5-5-5-5-5---1--1-1---3--3-3------3----------------

repeat two times

---------------------------------------------------------------------------
---------------------------------------------------------------------------
---------------------------------------------------------------------------
----------------------9--9-9-9-9-9-----------------------------------------
-10--10-10-10-10-10---7--7-7-7-7-7---7--7-7-7-7-7---3--3-3---5--5-5--------
-8---8--8--8--8--8-------------------5--5-5-5-5-5---1--1-1---3--3-3--------

repeat first part once