2

0

0

0

0

1

1

6

4

1

0

0

2

2

0

0

3

1

3

0

0

1

1

0

3

3

4

0

1

3

0

3

3

2

2

1

1

0

0

3

0

2

4

1

4

0

1

0

0

0