�

�

�

�

�

�

�

�

�

2

�

�

�

�

1

1

1

1

1

1

1

1

9

9

9

9

9

9

9

�

�

�

�

�

�

�

�

�

�

1

1

1

1

1

1

1

1

1

1

�