1:
------------14--15----
--12--13--------------
-------------------------
-------------------------
-------------------------
------------------------- | 2:
-------13--------15---
---12------14---------
-------------------------
-------------------------
-------------------------
------------------------- | 3:
-------13--14---------
---12----------15-----
-------------------------
-------------------------
-------------------------
------------------------- |
4:
------------14--15----
--12---13-------------
-------------------------
-------------------------
-------------------------
------------------------- | 5:
--12-------------15---
--------13--14--------
-------------------------
-------------------------
-------------------------
------------------------- | 6:
--12---------14-------
--------13-------15---
-------------------------
-------------------------
-------------------------
------------------------- |
7:
-------13------15-----
--14-------12---------
-------------------------
-------------------------
-------------------------
------------------------- | 8:
--12-----------15-----
-------13--14---------
-------------------------
-------------------------
-------------------------
------------------------- | 9:
--12--13--------------
-------------14---15--
-------------------------
-------------------------
-------------------------
------------------------- |
10:
--------13--14--------
--15-------------12---
-------------------------
-------------------------
-------------------------
------------------------- | 11:
--12--------14--------
-------15---------13--
-------------------------
-------------------------
-------------------------
------------------------- | 12:
--12---13-------------
-------------14---15--
-------------------------
-------------------------
-------------------------
------------------------- |