30

10 15

25 32

45 50

35

20

40

X

10

X

15

X

X

25

X

32

X

45

X

50

X

X

35

X

X

-

X

20

-

X

10

15

F

F

25

X

F

F

40

35

F

F

45

50

F

F

F