8

8

8

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

1

1

1

1

1

1

1

1

1

1

1

�

�