-1

1

4

-1

1

1

0

0

2

0

0

0

0

0

1

0

0

1

0

0

0

0

0

1

0

0

1

0

0

2

0

0

1

0

0

0

0

0

0

0

1

3

0

0

3

0

0

0

0

0

0

0

1

2

0

0

0

0

0

2