+ 3
----------
+ 2
----------
+ 3
----------
+ 2
----------
+ 3
----------
+ 2
----------
+ 3
----------
+ 2
----------
+ 3
----------
+ 1
----------
+ 3
----------
+ 8
----------
+ 3
----------
+ 1
----------
+ 3
----------
+ 1
----------
|
|||
| 5 + 3 ---------- |
3 + 2 ---------- |
9 + 3 ---------- |
3 + 2 ---------- |
| 5 + 3 ---------- |
3 + 2 ---------- |
8 + 3 ---------- |
3 + 2 ---------- |
| 5 + 3 ---------- |
3 + 1 ---------- |
6 + 3 ---------- |
3 + 8 ---------- |
| 7 + 3 ---------- |
3 + 1 ---------- |
3 + 3 ---------- |
3 + 1 ---------- |
|
|||