this is _LJUST_o
a _lsimple _RteST_o th_oat
HAS A _LPDF missing
AnD hOw_L AbOuT, 123,987 tHiS_o
a GOOD - _L_oTEST.
here_L is_o_o_o _R a good one_o
And _r 123,987_LTHE_R next_o oNE:
_R_r and the last _LONE_o IS 
THE _rbest _lONE and
A REAL BIG_l_o BUG!
a _L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_L_Rbug
AN ARABIC _l_o 123-456 NICE ONE!
AN ARABIC _l _o 123-456 PAIR
this bug 67_r_o89 catched!