0

1

10

100

1000

10000

11

12

13

14

15

16

17

18

19

1_2

1_3

1_4

1_8

2

20

2_3

3

30

300

3_4

4

40

5

50

500

5000

50000

6

60

7

70

8

80

9

90

900