7-1

x1

1/1

7-2

x1

1/1

7-3

x1

1/1

7-4

x1

1/1

7-5

x1

1/1

7-6

x1

1/1

7-7

x1

1/1

7-8

x1

1/1

7-9

x1

1/1

7-10

x1

1/1