C2122121212121133132213231313231313231323223313231322331323331323113313113221   >>    C212212121212113313221323131323131323132322331323132233132333132311331311322   <<    C2122121212121133132213231313231313231323223313231322331323331323113313113223   >>      C2122121212121133132213231313231313231323223313231322331323331323113313113222   >>