)--------------------------------------------------------------------------------------------
2)----------8---5-----------------------8---5------------------------------------------
3)--5---7------------7--4--------5--7------------6--4--5--4---------------------------
4)-------------------------------------------------------------------7---5---------------5--
5)----------------------------------------------------------------------------7---8--------
6)---------------------------------------------------------------------------------------------

                                                                                          
1)-----------------------------------------------------------------------13--12------------
2)----------8---5-----------------------8---5----------13--12-----------------------
3)--5---7------------5--4--------5--7------------7--4-----------------------------------
4)---------------------------------------------------------------------------------------------
5)---------------------------------------------------------------------------------------------
6)---------------------------------------------------------------------------------------------