6-1

x1

1/1

6-2

x1

1/1

6-3

x1

1/1

6-4

x1

1/1

6-5

x1

1/1

6-6

x1

1/1

6-7

x1

1/1

6-8

x1

1/1

6-9

x1

1/1

6-10

x1

1/1