2

0

1

0

1

0

1

0

2

0

2

0

1

0

4

1

2

0

5

0

3

1

1

0

1

0

1

0

1

0

4

0

1

0

2

1

2

0

1

1

1

0

2

0

1

0

2

0

3

1