1

0

2

1

1

0

1

0

4

0

5

1

4

0

4

0

4

1

1

0

4

0

2

0

3

0

4

0

4

0

2

0

2

0

1

1

3

0

2

0

1

0

2

0

1

0

4

0

4

1