50 $\degree$  

225 $\degree$  

55 $\degree$  

25 $\degree$  

35 $\degree$  

45 $\degree$  

10 $\degree$

15 $\degree$

25 $\degree$

20 $\degree$  

30 $\degree$  

40 $\degree$  

55 $\degree$  

60 $\degree$  

65 $\degree$