x
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
30 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
800 |
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