v e r s i o n = 1 
 l e f t t o r i g h t = t r u e 
 a u t h o r = e x t r a c t e d   f r o m   K T o u c h   T y p i n g   T u t o r   ( P e r l   S c r i p t   w r i t t e n   b y   S t e i n a r   T h e i g m a n n   &   H  v a r d   F r  i l a n d ) 
 n u m e r i c = f a l s e 
 
 f   j j   f   f   f   f f   j j   f   j j   j   j j   j   j j   j   f   f   j   j   
 f f   j   f f   f f   f f   f   f f   j j   f f   f f   f   f f   j   f   j   j j   
 j   j   j j   f   j j   f   j   f   j j   f   j j   j j   f   f   f f   f   j   f f   
 f f   j   f   j j   f f   f f   j j   f f   f f   f   f   f   j j   j   j j   f   j   
 j   j   f f   j j   f   f   j   j j   j   j   j j   j   f f   j j   f   f   j j   f f   
 f   j j   j   f   j   j   f   j j   f   j j   f   j   f   j j   f f   f   f   f f   
 f   j   j j   j   j j   f   j j   j j   f f   f f   j j   j   j j   f f   f   f f   
 f f   j j   f   f   f   j   j j   j   j j   j j   f f   j   f f   f f   j   f f   f   
 f f   j   f f   f   f f   j   f f   f f   f   j   j   f   j   f   f f   f f   j   f f   
 f f   f f   j j   f   j   f   f f   f f   f   f f   f   f f   f   f f   f   f f   f f   
 f   j   f f   f f   j j   f   f   j j   j   j   j j   j   f f   j   f   j j   f   j   
 
 