2

0

2

0

1

2

2

2

1

0

1

0

0

0

1

1

1

0

0

0

0

0

0

1

1

1

2

0

1

0

0

1

0

1

0

1

0

0

3

4

1

1

0

1

0

1

0

1

0

0