6

&34;:&34;:

4

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

ba

6

6

a

c

c

&34;

444

b

2o1oob+1boss

&34;

4

boss

&34;

1

3

5

5

o245

4

4

no

&34;1

1

&34;b

6

no