-Xxxx-------------------------------------------------------------------------
-Xxxx-------10--------8-------------------10--10----------8-7-6---------------
-Xxxx----------9---------7-7--7-9----------------9--------6-5-4---------------
-Xxxx---7---------7-----------------7-7-------------7-------------------------
-Xxxx-------------------------------------------------------------------------
-xxxx-------------------------------------------------------------------------
                                                                              

------------------------------------------------------------------------------
------------------------------------------------------------------------------
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--777-xx-777-x-7/13--12-----12-777--------------------------------------------
--777-xx-777-x-7/13--12-----12-777--------------------------------------------
--555-xx-555-x-5/11--10-----10-555--------------------------------------------