1

0

1

4

0

1

0

2

0

2

0

2

2

2

4

2

0

1

2

0

2

4

0

1

0

0

3

1

0

0

4

1

1

0

1

0

4

1

0

0

0

0

0

0

1

0

0

1

0

0