C2122121212121133132213231313231313231323223313231322331323221323113231   >>    C212212121212113313221323131323131323132322331323132233132322132311323   <<    C2122121212121133132213231313231313231323223313231322331323221323113233   >>      C2122121212121133132213231313231313231323223313231322331323221323113232   >>