2             50 
 22            60 
 2             70 
 2             80 
 2             90 
-.7853982 
 .7853982 
-.9827937 
 .9827937 
-1.56413 
 1.56413 
 13            160 
 0 
 1.56689 
 1.570766 
 1.570781 
 1.570796 
 6             250