0

0

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

A

A

B

B

C

C

D

D

E

E

F

F

G

G

H

H

I

I

J

J

K

K

L

L

M

M

N

N

O

O

A B C D E F G

CA

H