Triple Play '99

:
 ,     ,     
[L1] + [L2] + [R1] + [R2],     :

 :
[], [], [],
[], [X], [], [], [].

 :
[], [], [], [],
[], [], [X], [].

 :
[X], [], [], [].

 :
[], [], [], [].

  :
[], [X], [], [].

 :
[], [] (x2), [].

 :
[], [], [], [X].

 