1)-10-10-10-7-8---8-10------------------------
2)---------------------10---8-7-8-7-8--8-7-8-7-8
3)--------------------------------------------
4)--------------------------------------------
5)--------------------------------------------
6)--------------------------------------------

1))-10-10-10-7-8---8-10-----------------------10
2)---------------------10---8-7-8-7-8--8-7-8-7
3)---------------------------------------------
4)---------------------------------------------
5)---------------------------------------------
6)---------------------------------------------