12-1

x1

1/1

12-2

x1

1/1

12-3

x1

1/1

12-4

x1

1/1

12-5

x1

1/1

12-6

x1

1/1

12-7

x1

1/1

12-8

x1

1/1

12-9

x1

1/1

12-10

x1

1/1