4

2

1

0

2

1

0

0

2

1

1

0

0

0

1

0

1

0

1

0

0

0

3

0

2

1

3

2

2

0

3

3

2

0

2

0

1

0

1

0

3

0

4

1

0

0

3

0

2

0