50-1

x1

1/1

50-2

x1

1/1

50-3

x1

1/1

50-4

x1

1/1

50-5

x1

1/1

50-6

x1

1/1

50-7

x1

1/1

50-8

x1

1/1

50-9

x1

1/1

50-10

x1

1/1