�

�

�

�

�

�

�

1

�

�

1

1

1

1

1

1

1

1

1

1

1

1

1

7

7

7

7

7

7

7

�

�

7

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1