2 a _lsimple _RteST_o th_oat
4 AnD hOw_L AbOuT, 123,987 tHiS_o
6 here_L is_o_o_o _R a good one_o
7 And _r 123,987_LTHE_R next_o oNE:
8 _R_r and the last _LONE_o IS
11 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
12 AN ARABIC _l_o 123-456 NICE ONE!
13 AN ARABIC _l _o 123-456 PAIR
14 this bug 67_r_o89 catched!