----------------------3-5-|5-3------------------------------------------------
------------------3-5-----|----5-3--------------------------------------------
--------------2-5---------|--------5-2----------------------------------------
----------2-5-------------|------------5-2------------------------------------
------3-5-----------------|----------------5-3--------------------------------
--3-5---------------------|--------------------5-3----------------------------
----------------------5-8-|-8-5-----------------------------------------------
------------------5-8-----|-----8-5-------------------------------------------
--------------5-7---------|---------7-5---------------------------------------
----------5-7-------------|-------------7-5-----------------------------------
------5-7-----------------|-----------------7-5-------------------------------
--5-8---------------------|---------------------8-5---------------------------
--------------------------8-10-|-10-8-----------------------------------------
---------------------8-10------|------10-8------------------------------------
-----------------7-9-----------|-----------9-7--------------------------------
------------7-10---------------|---------------10-7---------------------------
-------7-10--------------------|--------------------10-7----------------------
--8-10-------------------------|-------------------------10-8-----------------
-------------------------------10-12-|-12-10----------------------------------
-------------------------10-13-------|-------13-10----------------------------
--------------------9-12-------------|-------------12-9-----------------------
--------------10-12------------------|------------------12-10-----------------
--------10-12------------------------|------------------------12-10-----------
--10-12------------------------------|------------------------------12-10-----
-------------------------------12-15-|-15-12----------------------------------
-------------------------13-15-------|-------15-13----------------------------
-------------------12-14-------------|-------------14-12----------------------
-------------12-14-------------------|-------------------14-12----------------
-------12-15-------------------------|-------------------------15-12----------
-12-15-------------------------------|-------------------------------15-12----
joue également ..