x
x
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
6 |
x |
x |
x
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
40 |
x |
x |
x |
x |
x |
x
|
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
1000 |
x |
x |
x |
x |
x |
x |
xx
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x