()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()
()()()()()()()()()()()()()()()()()()()()()()()()() ()()()()() ()