�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

�

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1