G

1

2

3

4

5

6

1

0

+∞

+∞

+∞

+∞

+∞

2

+∞

+∞

+∞

+∞

+∞

+∞

3

+∞

+∞

+∞

+∞

+∞

+∞

4

+∞

+∞

+∞

+∞

+∞

+∞

5

+∞

+∞

+∞

+∞

+∞

+∞

6

+∞

+∞

+∞

+∞

+∞

+∞