---------------235- ---------------578---
-------------35-- ------------578-----
----------245---- ---------457--------
-------245------- ------457----------
----235---------- ----57------------
-235------------- -578----------------
===============================================
3rd pos 4th pos
-----------------------78 10- -----------------10 12
------------------78 10----- ------------------10 12 13
----------------79----- -------------------9 11 12--
-----------79 10----- ------------9 10 12------
------79 10----------- -----9 10 12----------------
-78 10----------------- -10 12----------------------
==========================================================
5th pos
-----------------------------------12 14 15-------
---------------------------12 13 15----
----------------------12 14-------
-----------------12 14--
---------12 14 15----------
-12 14 15-----------------
better ? :)
