x 0
x 0
x 0
x 0
x 0
x 0
x 0
x 0
x 0
x 0
x 0
x 0
|
|
|
...... | |
|
|
x 0 |
x 0 |
x 0 |
||||
|
|
|
|
|
|
|
x 0 |
x 0 |
x 0 |
||||
|
|
|
|
|
|
|
x 0 |
x 0 |
x 0 |
||||
|
|
|
|
|||
x 0 |
x 0 |
x 0 |